 As winter approaches, we need to start thinking about storage of the bulbs that will not survive Kansas winters. The bulbs of gladiolus, caladium, dahlia, tuberous begonia, calla lily, and canna lily need to be dug and stored so they can be planted next year. Actually, the storage organ of the above plants is not a true bulb. Canna and calla lilies are rhizomes, caladium, and tuberous begonias are tubers, gladiolus is a corm, and dahlia is a tuberous rooted plant.
All of these plants should be dug after frost has at least partially browned the foliage. Then, allow them to dry for about a week in a shady, well-ventilated site such as a garage or tool shed. Freezing temperatures should be avoided. Remove any excess soil and pack them in peat moss, vermiculite, or perlite. Make sure the bulbs don’t touch so that if one decays, the rot doesn’t spread. Dusting them with fungicide before storage will help prevent them from rotting. Caladium should be stored between 50 and 60 degrees F. The other bulbs mentioned should be stored as near 40 degrees F as possible. Finding a good spot to store the bulbs may be difficult. Some people place them against a basement wall farthest from the furnace and insulate them so the wall keeps them cool. (Ward Upham) Video of the Week: |
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Kansas Turfgrass Conference in conjunction with KNLA December 6,7 & 8, 2016
Mark the date to attend the Kansas Turfgrass Conference in conjunction with KNLA on December 6, 7 & 8 in Topeka.
The conference is an excellent way to learn about turf, nursery and landscape management, visit with old friends, network with new ones, and see all the latest equipment and supplies from local and national vendors.
The conference has been approved for Commercial pesticide recertification hours:
1 Core hour 3A - 8 hrs 3B - 9 hrs
International Society of Arboriculture CEUS and GCSAA education points will also be available by attending the conference.
Download a copy of the program, get exhibitor information, or register online
http://2016ktf.eventbrite.com
Mark the date to attend the Kansas Turfgrass Conference in conjunction with KNLA on December 6, 7 & 8 in Topeka.
The conference is an excellent way to learn about turf, nursery and landscape management, visit with old friends, network with new ones, and see all the latest equipment and supplies from local and national vendors.
The conference has been approved for Commercial pesticide recertification hours:
1 Core hour 3A - 8 hrs 3B - 9 hrs
International Society of Arboriculture CEUS and GCSAA education points will also be available by attending the conference.
Download a copy of the program, get exhibitor information, or register online
http://2016ktf.eventbrite.com
Turfgrass:
Control Broadleaf Weeds in Lawns in Late October - Early November
Late October to early November is the most effective time to control broadleaf weeds in lawns. Dandelions usually produce a flush of new plants in late September, and the winter annual weeds henbit and chickweed should have germinated in October. These young plants are small and easily controlled with herbicides such as 2,4-D or combination products (Trimec, Weed-B-Gon, Weed-Out) that contain 2,4-D, MCPP and Dicamba. Even established dandelions are more easily controlled now than in the spring because they are actively moving materials from the top portion of the plant to the roots in the fall.
Herbicides will translocate to the roots as well and will kill the plant from the roots up. Choose a day that is 50 degrees or higher. The better the weed is growing, the more weed killer will be moved from the leaves to the roots. Cold temperatures will slow or stop this process.
Weed Free Zone (also sold under the name of Speed Zone) contains the three active ingredients mentioned above, plus carfentrazone. It will give a quicker response than the other products mentioned especially as temperatures approach 50 degrees. (Ward Upham)
Herbicides will translocate to the roots as well and will kill the plant from the roots up. Choose a day that is 50 degrees or higher. The better the weed is growing, the more weed killer will be moved from the leaves to the roots. Cold temperatures will slow or stop this process.
Weed Free Zone (also sold under the name of Speed Zone) contains the three active ingredients mentioned above, plus carfentrazone. It will give a quicker response than the other products mentioned especially as temperatures approach 50 degrees. (Ward Upham)
Why Late Lawn Seedings Often Fail
We normally recommend that Kentucky bluegrass and tall fescue be seeded in September but no later than October 15. Though plantings later than October 15 can be successful, the odds of success diminish as time passes.
The problem with late plantings is not that the seed will not come up or that young grass plants are sensitive too cold. Most often, the problem is with rooting. Unless the young grass plants have a fairly extensive root system, the freezing and thawing that takes place during winter heaves plants out of the ground, and they dry out and die.
Regardless of when planted, be sure the new lawn is kept watered through the fall. More mature lawns will need less frequent watering but all should go into the winter with moist soil. (Ward Upham)
The problem with late plantings is not that the seed will not come up or that young grass plants are sensitive too cold. Most often, the problem is with rooting. Unless the young grass plants have a fairly extensive root system, the freezing and thawing that takes place during winter heaves plants out of the ground, and they dry out and die.
Regardless of when planted, be sure the new lawn is kept watered through the fall. More mature lawns will need less frequent watering but all should go into the winter with moist soil. (Ward Upham)
Tucking Your Lawnmower in for the Winter
If you are done mowing for the year, be sure to service your mower before putting it away. Make sure you drain the gas tank of gasoline-powered engines or use a gasoline stabilizer. Untreated gasoline can become thick and gummy. A few drops of oil squirted inside the spark plug hole (after you remove the spark plug) will help lubricate the cylinder. While you have the spark plug removed, replace it with a new one. If your equipment has a battery, clean the battery terminals, which usually corrode during the season. A wire-bristle brush is a good tool for doing this. The battery can then be removed or connected to a battery monitor that will keep it charged over winter. If you remove the battery, be sure to store it in a protected location for the winter (a cool basement works best). Now is also an excellent time to sharpen mower blades so they'll be ready next spring.
Sharpening rotary mower blades is fairly straightforward. The following steps will guide you through this process:
* Check the blade for major damage. If you can't fix it, it likely will need to be replaced.
* Remove grass and debris from the blade with a moist cloth. Dry before beginning to sharpen the cutting edge.
* Remove nicks from the cutting edge, using a grinding wheel or hand-file.
* If using a grinding wheel, match the existing edge angle to the wheel. If hand-filing, file at the same angle as the existing edge.
* Grind or file until the edge is 1/32 inch, about the size of a period.
* Particularly with a grinding wheel, avoid overheating the blade as this may warp it.
* Clean the blade with solvent or oil, much like if you were cleaning a gun, for optimum winter storage. Avoid using water because it will promote rust.
Following these tips can help you better prepare your mower for winter storage and also save you some steps this coming spring. (Ward Upham)
Sharpening rotary mower blades is fairly straightforward. The following steps will guide you through this process:
* Check the blade for major damage. If you can't fix it, it likely will need to be replaced.
* Remove grass and debris from the blade with a moist cloth. Dry before beginning to sharpen the cutting edge.
* Remove nicks from the cutting edge, using a grinding wheel or hand-file.
* If using a grinding wheel, match the existing edge angle to the wheel. If hand-filing, file at the same angle as the existing edge.
* Grind or file until the edge is 1/32 inch, about the size of a period.
* Particularly with a grinding wheel, avoid overheating the blade as this may warp it.
* Clean the blade with solvent or oil, much like if you were cleaning a gun, for optimum winter storage. Avoid using water because it will promote rust.
Following these tips can help you better prepare your mower for winter storage and also save you some steps this coming spring. (Ward Upham)
Vegetables:
Hardiness of Cool-Season Vegetables
Cool-season vegetables vary in cold tolerance, with some able to take colder temperatures than others. Semi-hardy crops can take a light frost but are damaged by temperatures in the mid- to upper-20s. Examples include beets, Chinese cabbage, collards, Irish potatoes, Bibb lettuce, mustard, radishes, spinach, Swiss chard, and leaf lettuce. Covering these plants when cold weather threatens can help extend the harvest season.
Plants termed “hardy” can take lower temperatures but are damaged when the temperature drops to the low 20s. These include cabbage, broccoli, cauliflower, Brussels sprouts, carrots, turnips, and kale.
Certain root crops can essentially be stored outside even after the leaves have been damaged or killed by frost. Beets, carrots, potatoes and turnips can be mulched and harvested as needed until the soil starts to freeze in late November to December.
Growing vegetables in Kansas can be a challenge, but we have an extremely long gardening season. We can harvest from early April (asparagus) to early December. Winter is a good time to plan and prepare for next year’s crops. (Ward Upham)
Plants termed “hardy” can take lower temperatures but are damaged when the temperature drops to the low 20s. These include cabbage, broccoli, cauliflower, Brussels sprouts, carrots, turnips, and kale.
Certain root crops can essentially be stored outside even after the leaves have been damaged or killed by frost. Beets, carrots, potatoes and turnips can be mulched and harvested as needed until the soil starts to freeze in late November to December.
Growing vegetables in Kansas can be a challenge, but we have an extremely long gardening season. We can harvest from early April (asparagus) to early December. Winter is a good time to plan and prepare for next year’s crops. (Ward Upham)
Ornamentals
"Apples" on an Ornamental Shrub
We have had a number of reports of misshapen or fuzzy “apples” developing on a thorny shrub in the landscape. This is most likely flowering quince. Flowering quince is grown for its attractive blooms in the spring. Normally fruit does not develop because frosts prevent fruit formation and plants fruit poorly without cross-pollination. Quince fruit are quite hard but are sometimes mixed with other fruit to make jellies and preserves. (Ward Upham)
Contributors: Ward Upham, Extension Associate
Contributors: Ward Upham, Extension Associate
Video of the Week:
Storing Tender Bulbs for Winter
Turfgrass:
Control Broadleaf Weeds in Lawns in Late October - Early November
Late October to early November is the most effective time to control broadleaf weeds in lawns. Dandelions usually produce a flush of new plants in late September, and the winter annual weeds henbit and chickweed should have germinated in October. These young plants are small and easily controlled with herbicides such as 2,4-D or combination products (Trimec, Weed-B-Gon, Weed-Out) that contain 2,4-D, MCPP and Dicamba. Even established dandelions are more easily controlled now than in the spring because they are actively moving materials from the top portion of the plant to the roots in the fall. Herbicides will translocate to the roots as well and will kill the plant from the roots up.
Choose a day that is 50 degrees or higher. The better the weed is growing, the more weed killer will be moved from the leaves to the roots. Cold temperatures will slow or stop this process.
Weed Free Zone (also sold under the name of Speed Zone) contains the three active ingredients mentioned above, plus carfentrazone. It will give a quicker response than the other products mentioned especially as temperatures approach 50 degrees. (Ward Upham)
Choose a day that is 50 degrees or higher. The better the weed is growing, the more weed killer will be moved from the leaves to the roots. Cold temperatures will slow or stop this process.
Weed Free Zone (also sold under the name of Speed Zone) contains the three active ingredients mentioned above, plus carfentrazone. It will give a quicker response than the other products mentioned especially as temperatures approach 50 degrees. (Ward Upham)
Tree Leaves and Turf
It's that time of year again. Leaves are rapidly falling from deciduous trees so it's a good time to stop and think about options for handling the litter. Although a scattering of leaves won’t harm the lawn, excessive cover prevents sunlight from reaching turfgrass plants.
Turf left in this state for an extended period will be unable to make the carbohydrates needed to carry it through the winter.
There are options for dealing with the fallen leaves other than bagging them up and putting them out for the trash collector. Composting is a great way to handle the refuse. Compost can then be used in the vegetable garden and flowerbeds. If you do not compost, you can mow leaves with a mulching mower and let shredded leaves filter into the turf canopy. (A side-discharge mower also will work, but it won't shred the leaves as thoroughly.) This method will be most effective if you do it often enough that leaf litter doesn’t become too thick. Mow while you can still see grass peeking through the leaves.
You may wonder whether this practice will be detrimental to the lawn in the long run. Research at Michigan State University in which they used a mulching mower to shred up to about one pound of leaves per square yard of lawn (one pound is equal to approximately 6 inches of leaves piled on the grass) for five consecutive years, found no long-term effects of the shredded leaves on turf quality, thatch thickness, organic content of the thatch, or soil test results (pH, nutrients, etc.). If you mow leaves and have a cool-season lawn, it makes sense to be on a fall nitrogen fertilization program and core-aerate in the fall (things you should be doing anyway). If you have a warm-season lawn, you can still use this technique but wait to fertilize and core-aerate until next late May or early June. (Ward Upham)
Turf left in this state for an extended period will be unable to make the carbohydrates needed to carry it through the winter.
There are options for dealing with the fallen leaves other than bagging them up and putting them out for the trash collector. Composting is a great way to handle the refuse. Compost can then be used in the vegetable garden and flowerbeds. If you do not compost, you can mow leaves with a mulching mower and let shredded leaves filter into the turf canopy. (A side-discharge mower also will work, but it won't shred the leaves as thoroughly.) This method will be most effective if you do it often enough that leaf litter doesn’t become too thick. Mow while you can still see grass peeking through the leaves.
You may wonder whether this practice will be detrimental to the lawn in the long run. Research at Michigan State University in which they used a mulching mower to shred up to about one pound of leaves per square yard of lawn (one pound is equal to approximately 6 inches of leaves piled on the grass) for five consecutive years, found no long-term effects of the shredded leaves on turf quality, thatch thickness, organic content of the thatch, or soil test results (pH, nutrients, etc.). If you mow leaves and have a cool-season lawn, it makes sense to be on a fall nitrogen fertilization program and core-aerate in the fall (things you should be doing anyway). If you have a warm-season lawn, you can still use this technique but wait to fertilize and core-aerate until next late May or early June. (Ward Upham)
Tucking Your Lawnmower in for the Winter
If you are done mowing for the year, be sure to service your mower before putting it away. Make sure you drain the gas tank of gasoline-powered engines or use a gasoline stabilizer. Untreated gasoline can become thick and gummy. A few drops of oil squirted inside the spark plug hole (after you remove the spark plug) will help lubricate the cylinder. While you have the spark plug removed, replace it with a new one. If your equipment has a battery, clean the battery terminals, which usually corrode during the season. A wire-bristle brush is a good tool for doing this. The battery can then be removed or connected to a battery monitor that will keep it charged over winter. If you remove the battery, be sure to store it in a protected location for the winter (a cool basement works best).
Now is also an excellent time to sharpen mower blades so they'll be ready next spring. Sharpening rotary mower blades is fairly straightforward. The following steps will guide you through this process:
* Check the blade for major damage. If you can't fix it, it likely will need to be replaced.
* Remove grass and debris from the blade with a moist cloth. Dry before beginning to sharpen the cutting edge.
* Remove nicks from the cutting edge, using a grinding wheel or hand-file.
* If using a grinding wheel, match the existing edge angle to the wheel. If hand-filing, file at the same angle as the existing edge.
* Grind or file until the edge is 1/32 inch, about the size of a period.
* Particularly with a grinding wheel, avoid overheating the blade as this may warp it.
* Clean the blade with solvent or oil, much like if you were cleaning a gun, for optimum winter storage. Avoid using water because it will promote rust.
Following these tips can help you better prepare your mower for winter storage and also save you some steps this coming spring. (Ward Upham)
Now is also an excellent time to sharpen mower blades so they'll be ready next spring. Sharpening rotary mower blades is fairly straightforward. The following steps will guide you through this process:
* Check the blade for major damage. If you can't fix it, it likely will need to be replaced.
* Remove grass and debris from the blade with a moist cloth. Dry before beginning to sharpen the cutting edge.
* Remove nicks from the cutting edge, using a grinding wheel or hand-file.
* If using a grinding wheel, match the existing edge angle to the wheel. If hand-filing, file at the same angle as the existing edge.
* Grind or file until the edge is 1/32 inch, about the size of a period.
* Particularly with a grinding wheel, avoid overheating the blade as this may warp it.
* Clean the blade with solvent or oil, much like if you were cleaning a gun, for optimum winter storage. Avoid using water because it will promote rust.
Following these tips can help you better prepare your mower for winter storage and also save you some steps this coming spring. (Ward Upham)
Vegetables:
Hardiness of Cool-Season Vegetables
Cool-season vegetables vary in cold tolerance, with some able to take colder temperatures than others. Semi-hardy crops can take a light frost but are damaged by temperatures in the mid- to upper-20s. Examples include beets, Chinese cabbage, collards, Irish potatoes, Bibb lettuce, mustard, radishes, spinach, Swiss chard, and leaf lettuce. Covering these plants when cold weather threatens can help extend the harvest season. Plants termed “hardy” can take lower temperatures but are damaged when the temperature drops to the low 20s. These include cabbage, broccoli, cauliflower, Brussels sprouts, carrots, turnips, and kale.
Certain root crops can essentially be stored outside even after the leaves have been damaged or killed by frost. Beets, carrots, potatoes and turnips can be mulched and harvested as needed until the soil starts to freeze in late November to December.
Growing vegetables in Kansas can be a challenge, but we have an extremely long gardening season. We can harvest from early April (asparagus) to early December. Winter is a good time to plan and prepare for next year’s crops. (Ward Upham)
Certain root crops can essentially be stored outside even after the leaves have been damaged or killed by frost. Beets, carrots, potatoes and turnips can be mulched and harvested as needed until the soil starts to freeze in late November to December.
Growing vegetables in Kansas can be a challenge, but we have an extremely long gardening season. We can harvest from early April (asparagus) to early December. Winter is a good time to plan and prepare for next year’s crops. (Ward Upham)
Winter Mulching of Vegetables
We can extend the harvest season of some root crops such as beets, carrots, parsnips, and turnips by mulching to slow down soil freezing. Mulching allows harvest to continue much later than usual (usually mid- to late-December) when even mulched areas freeze hard.
Rhubarb is a shallow-rooted perennial crop that can also benefit from mulching to help stabilize soil temperatures. Plants that are not mulched may be heaved out of the ground by alternate freezing and thawing through the winter. Mulching moderates these temperature shifts and helps protect the plant. Mulch should be removed by mid-March so soil warming can encourage early emergence. (Ward Upham)
Rhubarb is a shallow-rooted perennial crop that can also benefit from mulching to help stabilize soil temperatures. Plants that are not mulched may be heaved out of the ground by alternate freezing and thawing through the winter. Mulching moderates these temperature shifts and helps protect the plant. Mulch should be removed by mid-March so soil warming can encourage early emergence. (Ward Upham)
Ornamentals:
Natural Needle Drop on Conifers
We are starting to see very noticeable natural needle drop on some evergreens such as pines and spruce. This is a process where 2- to 4-year-old interior needles turn yellow, then brown, and eventually drop off. Those who aren't familiar with this process often are concerned about the health of the tree. This is a natural phenomenon that occurs every year and does not hurt the tree.
However, some years it is much more noticeable than others. Be sure to check that only the older needles are affected --the needles on the tips of the branches should look fine--and that there is no spotting or banding on the needles that are turning yellow. If spotting or banding is noted, take a sample to your local county extension office for diagnosis. (Ward Upham)
However, some years it is much more noticeable than others. Be sure to check that only the older needles are affected --the needles on the tips of the branches should look fine--and that there is no spotting or banding on the needles that are turning yellow. If spotting or banding is noted, take a sample to your local county extension office for diagnosis. (Ward Upham)
My Oaks are Raining Worms
Areas near Wichita, Kansas is receiving calls regarding tiny, white worms falling from pin oak trees. These worms are actually the larvae of the oak vein gall midge. A midge is a very small fly and therefore the larvae are maggots.
The larvae came from the vein galls that are on the pin oak leaves. Newly hatched larvae feed on the veins of young leaves in the spring and cause a swelling and flattening of the veins. These maggots are now dropping to the ground in order to pupate. Adults emerge early the next spring to start the cycle all over again. The midges apparently cause no damage. (Ward Upham)
The larvae came from the vein galls that are on the pin oak leaves. Newly hatched larvae feed on the veins of young leaves in the spring and cause a swelling and flattening of the veins. These maggots are now dropping to the ground in order to pupate. Adults emerge early the next spring to start the cycle all over again. The midges apparently cause no damage. (Ward Upham)
Miscellaneous:
Why No Black Walnuts This Year?
Many areas of Kansas have noticed a lack of black walnut nuts this year. This can be traced back to the sharp drop in temperature last fall in which we had a high of 69 degrees on November 10, 2014 followed by a low of 19 the next morning. Unfortunately, our walnut trees had not hardened off sufficiently by November 10 to protect the flower buds.
Black walnut flower buds are formed during the summer of the year before they bear. Therefore, what should have been this year’s nut crop set flower buds during the summer of 2014. When the temperature dropped so quickly in November, the flower buds were damaged resulting in no nuts this year. However, areas of Kansas that have seen plentiful rains, should have a good walnut crop next year unless we have another sharp drop in temperature before the trees have hardened off. (Ward Upham)
Contributors: Ward Upham, Extension Associate
To view Upcoming Events: http://tinyurl.com/fswqe
Black walnut flower buds are formed during the summer of the year before they bear. Therefore, what should have been this year’s nut crop set flower buds during the summer of 2014. When the temperature dropped so quickly in November, the flower buds were damaged resulting in no nuts this year. However, areas of Kansas that have seen plentiful rains, should have a good walnut crop next year unless we have another sharp drop in temperature before the trees have hardened off. (Ward Upham)
Contributors: Ward Upham, Extension Associate
To view Upcoming Events: http://tinyurl.com/fswqe
Video of the Week:
Planting Bulbs for Spring Color
Upcoming Events:
Kansas Turfgrass Conference in conjunction with Kansas Nursery & Landscape Association
December 1, 2 & 3, 2015
Kansas Expocentre, Topeka
For more information, go to http://www.kansasturfgrassfoundation.com/
Great Plains Growers Conference
January 7, 8 & 9, 2016
St. Joseph, MO
RetailWorks
February 4, 2016
Manhattan, KS
December 1, 2 & 3, 2015
Kansas Expocentre, Topeka
For more information, go to http://www.kansasturfgrassfoundation.com/
Great Plains Growers Conference
January 7, 8 & 9, 2016
St. Joseph, MO
RetailWorks
February 4, 2016
Manhattan, KS
Turfgrass:
Why Late Lawn Seedings Often Fail
We normally recommend that Kentucky bluegrass and tall fescue be seeded in September but no later than October 15. Though plantings later than October 15 can be successful, the odds of success diminish as time passes.
The problem with late plantings is not that the seed will not come up or that young grass plants are sensitive to cold. Most often, the problem is with rooting. Unless the young grass plants have a fairly extensive root system, the freezing and thawing that takes place during winter heaves plants out of the ground, and they dry out and die.
Regardless of when planted, be sure the new lawn is kept watered through the fall. More mature lawns will need less frequent watering but all should go into the winter with moist soil. (Ward Upham)
The problem with late plantings is not that the seed will not come up or that young grass plants are sensitive to cold. Most often, the problem is with rooting. Unless the young grass plants have a fairly extensive root system, the freezing and thawing that takes place during winter heaves plants out of the ground, and they dry out and die.
Regardless of when planted, be sure the new lawn is kept watered through the fall. More mature lawns will need less frequent watering but all should go into the winter with moist soil. (Ward Upham)
Flowers:
Winter Storage of Summer Bulbs
As winter approaches, we need to start thinking about storage of the bulbs that will not survive Kansas winters. The bulbs of gladiolus, caladium, dahlia, tuberous begonia, calla lily, and canna lily need to be dug and stored so they can be planted next year. Actually, the storage organ of the above plants is not a true bulb. Canna and calla lilies are rhizomes, caladium, and tuberous begonias are tubers, gladiolus is a corm, and dahlia is a tuberous rooted plant.
All of these plants should be dug after frost has browned the foliage. Then, allow them to dry for about a week in a shady, well-ventilated site such as a garage or tool shed. Remove any excess soil and pack them in peat moss, vermiculite, or perlite. Make sure the bulbs don’t touch so that if one decays, the rot doesn’t spread. Dusting them with fungicide before storage will help prevent them from rotting.
Caladium should be stored between 50 and 60 degrees F. The other bulbs mentioned should be stored near 40 degrees F. Finding a good spot to store the bulbs may be difficult. Some people place them against a basement wall farthest from the furnace and insulate them so the wall keeps them cool. (Ward Upham)
All of these plants should be dug after frost has browned the foliage. Then, allow them to dry for about a week in a shady, well-ventilated site such as a garage or tool shed. Remove any excess soil and pack them in peat moss, vermiculite, or perlite. Make sure the bulbs don’t touch so that if one decays, the rot doesn’t spread. Dusting them with fungicide before storage will help prevent them from rotting.
Caladium should be stored between 50 and 60 degrees F. The other bulbs mentioned should be stored near 40 degrees F. Finding a good spot to store the bulbs may be difficult. Some people place them against a basement wall farthest from the furnace and insulate them so the wall keeps them cool. (Ward Upham)
Miscellaneous:
Nurseries and Garden Centers Marketing Initiatives Survey
We ran this announcement a couple of weeks ago but would like to give everyone another chance to participate. Note the deadline is October 15, just a couple of days away.
Ever wonder if all the time you have spent on marketing initiatives is worth your time? Here’s an opportunity for you to get some answers about marketing efforts by participating in a research project with investigators at Kansas State University. Questions in the survey will focus on marketing practices, their effectiveness, and their economic impact. Results of the survey (available to participants who submit their email address) will benefit nurseries and garden
centers across the country by learning how to reach customers more effectively.
We invite you to participate in the survey. In addition to helping our industry, there are personal incentives (two chances to win a $50 Amazon.com gift certificate)! Click on the link below ]or copy and paste the URL above into your internet browser[ to get started (works on mobile devices as well). https://kstate.qualtrics.com/SE/?SID=SV_7PXxQRJ56RxLIUt&source=002 (Cheryl Boyer)
Ever wonder if all the time you have spent on marketing initiatives is worth your time? Here’s an opportunity for you to get some answers about marketing efforts by participating in a research project with investigators at Kansas State University. Questions in the survey will focus on marketing practices, their effectiveness, and their economic impact. Results of the survey (available to participants who submit their email address) will benefit nurseries and garden
centers across the country by learning how to reach customers more effectively.
We invite you to participate in the survey. In addition to helping our industry, there are personal incentives (two chances to win a $50 Amazon.com gift certificate)! Click on the link below ]or copy and paste the URL above into your internet browser[ to get started (works on mobile devices as well). https://kstate.qualtrics.com/SE/?SID=SV_7PXxQRJ56RxLIUt&source=002 (Cheryl Boyer)
Fall is a Good Time for Soil Testing
Though we often think of soil testing as a spring chore, fall can actually be a better time. Soil-testing laboratories are often very busy during the spring resulting in a longer turnaround from submission to recommendations. Also, soils in the spring are often waterlogged, making taking samples difficult. If your soil test suggests more organic matter, fall is a much better season because materials are more available than in the spring, and fresher materials can be used without harming young tender spring-planted plants.
Begin by taking a representative sample from several locations in the garden or lawn. Each sample should contain soil from the surface to about 6 to 8 inches deep. This is most easily done with a soil sampler. Many K-State Research and Extension offices have such samplers available for checkout. If you don’t have a sampler, use a shovel to dig straight down into the soil. Then shave a small layer off the back of the hole for your sample. Mix the samples together in a clean plastic container and select about 1 to 1.5 cups of soil. This can be placed in a plastic container such as a resealable plastic bag.
Take the soil to your county extension office to have tests done for a small charge at the K-State soil-testing laboratory. A soil test determines fertility problems, not other conditions that may exist such as poor drainage, poor soil structure, soil borne diseases or insects, chemical contaminants or damage, or shade with root competition from other plants. All of these conditions may reduce plant performance but cannot be evaluated by a soil test. (Ward Upham)
Begin by taking a representative sample from several locations in the garden or lawn. Each sample should contain soil from the surface to about 6 to 8 inches deep. This is most easily done with a soil sampler. Many K-State Research and Extension offices have such samplers available for checkout. If you don’t have a sampler, use a shovel to dig straight down into the soil. Then shave a small layer off the back of the hole for your sample. Mix the samples together in a clean plastic container and select about 1 to 1.5 cups of soil. This can be placed in a plastic container such as a resealable plastic bag.
Take the soil to your county extension office to have tests done for a small charge at the K-State soil-testing laboratory. A soil test determines fertility problems, not other conditions that may exist such as poor drainage, poor soil structure, soil borne diseases or insects, chemical contaminants or damage, or shade with root competition from other plants. All of these conditions may reduce plant performance but cannot be evaluated by a soil test. (Ward Upham)
Work Garden Soil in the Fall
Fall is the preferred time to prepare garden soil for next spring’s vegetable garden. Spring is often wet making it difficult to work soil without forming clods that remain the rest of the season. Fall usually is drier allowing more time to work the soil when it is at the correct soil moisture content. Even if you work soil wet in the fall and form clods, the freezing and thawing that takes place in the winter will break them down, leaving a mellow soil the following spring.
Insects often hide in garden debris. If that debris is worked into the soil, insects will be less likely to survive the winter. Diseases are also less likely to overwinter if old plants are worked under. Also, garden debris will increase the organic matter content of the soil. Working the debris into the soil is easier if you mow the old vegetable plants several times to reduce the size of the debris.
Fall is also an excellent time to add organic matter. Not only are organic materials usually more available in the fall (leaves, rotten hay or silage, grass clippings) but fresher materials can be added in the fall than in the spring because there is more time for them to break down before planting. As a general rule, add 2 inches of organic material to the surface of the soil and till it in. Be careful not to over till. You should end up with particles the size of grape nuts or larger. If you work garden soil into the consistency of flour, you have destroyed the soil structure. (Ward Upham)
Insects often hide in garden debris. If that debris is worked into the soil, insects will be less likely to survive the winter. Diseases are also less likely to overwinter if old plants are worked under. Also, garden debris will increase the organic matter content of the soil. Working the debris into the soil is easier if you mow the old vegetable plants several times to reduce the size of the debris.
Fall is also an excellent time to add organic matter. Not only are organic materials usually more available in the fall (leaves, rotten hay or silage, grass clippings) but fresher materials can be added in the fall than in the spring because there is more time for them to break down before planting. As a general rule, add 2 inches of organic material to the surface of the soil and till it in. Be careful not to over till. You should end up with particles the size of grape nuts or larger. If you work garden soil into the consistency of flour, you have destroyed the soil structure. (Ward Upham)
Amending Soils with Sand
Sand is sometimes suggested as an amendment material for clay soils. However, there is good reason to be cautious about using sand. In order for sand to be effective in breaking up a clay soil, sand grains must touch one another so there are pore spaces between grains that can hold air and/or water. If the grains do not touch, the clay fills in all the voids between the sand particles leaving no room for pores.
This is the same principle used to make concrete and the result is somewhat the same. You end up making a bad situation worse. So how much sand does it take for it to be effective? Normally, we consider about 80 percent sand to be sufficient. In most cases this makes the use of sand impractical. The addition of organic matter is a much better choice. (Ward Upham)
Contributors: Cheryl Boyer, Nursery Specialist; Ward Upham, Extension Associate
To view Upcoming Events: http://tinyurl.com/fswqe
This is the same principle used to make concrete and the result is somewhat the same. You end up making a bad situation worse. So how much sand does it take for it to be effective? Normally, we consider about 80 percent sand to be sufficient. In most cases this makes the use of sand impractical. The addition of organic matter is a much better choice. (Ward Upham)
Contributors: Cheryl Boyer, Nursery Specialist; Ward Upham, Extension Associate
To view Upcoming Events: http://tinyurl.com/fswqe
Video of the Week:
Storing Tender Bulbs for the Winter
Turfgrass:
Control Broadleaf Weeds in Lawns in Late October - Early November
Late October to early November is the most effective time to control broadleaf weeds in lawns. Dandelions usually produce a flush of new plants in late September, and the winter annual weeds henbit and chickweed should have germinated in October. These young plants are small and easily controlled with herbicides such as 2,4-D or combination products (Trimec, Weed-B-Gon, Weed-Out) that contain 2,4-D, MCPP and Dicamba. Even established dandelions are more easily controlled now than in the spring because they are actively moving materials from the top portion of the plant to the roots. Herbicides will translocate to the roots as well and will kill the plant from the roots up.
Choose a day that is 50 degrees or higher. The better the weed is growing, the more weed killer will be moved from the leaves to the roots. Cold temperatures will slow or stop this process. Weed Free Zone (also sold under the name of Speed Zone) contains the three active ingredients mentioned above, plus carfentrazone. It will
give a quicker response than the other products mentioned especially as temperatures approach 50 degrees. (Ward Upham)
Choose a day that is 50 degrees or higher. The better the weed is growing, the more weed killer will be moved from the leaves to the roots. Cold temperatures will slow or stop this process. Weed Free Zone (also sold under the name of Speed Zone) contains the three active ingredients mentioned above, plus carfentrazone. It will
give a quicker response than the other products mentioned especially as temperatures approach 50 degrees. (Ward Upham)
Tree Leaves and Turf
It's that time of year again. Leaves are rapidly falling from deciduous trees so it's a good time to stop and think about options for handling the litter. Although a scattering of leaves won’t harm the lawn, excessive cover prevents sunlight from reaching turfgrass plants.
Turf left in this state for an extended period will be unable to make the carbohydrates needed to carry it through the winter.
There are options for dealing with the fallen leaves other than bagging them up and putting them out for the trash collector. Composting is a great way to handle the refuse. Compost can then be used in the vegetable garden and flowerbeds. If you do not compost, you can mow leaves with a mulching mower and let shredded leaves filter into the turf canopy. (A side-discharge mower also will work, but it won't shred the leaves as thoroughly.) This method will be most effective if you do it often enough that leaf litter doesn’t become too thick. Mow while you can still see grass peeking through the leaves.
You may wonder whether this practice will be detrimental to the lawn in the long run. Research at Michigan State University in which they used a mulching mower to shred up to about one pound of leaves per square yard
of lawn (one pound is equal to approximately 6 inches of leaves piled on the grass) for five consecutive years, found no long-term effects of the shredded leaves on turf quality, thatch thickness, organic content of the thatch, or soil test results (pH, nutrients, etc.). If you mow leaves and have a cool-season lawn, it makes sense to be on a fall nitrogen fertilization program and core-aerate in the fall (things you should be doing anyway). If you have a warm-season lawn, you can still use this technique but wait to fertilize and core-aerate until next late
May or early June. (Ward Upham)
Turf left in this state for an extended period will be unable to make the carbohydrates needed to carry it through the winter.
There are options for dealing with the fallen leaves other than bagging them up and putting them out for the trash collector. Composting is a great way to handle the refuse. Compost can then be used in the vegetable garden and flowerbeds. If you do not compost, you can mow leaves with a mulching mower and let shredded leaves filter into the turf canopy. (A side-discharge mower also will work, but it won't shred the leaves as thoroughly.) This method will be most effective if you do it often enough that leaf litter doesn’t become too thick. Mow while you can still see grass peeking through the leaves.
You may wonder whether this practice will be detrimental to the lawn in the long run. Research at Michigan State University in which they used a mulching mower to shred up to about one pound of leaves per square yard
of lawn (one pound is equal to approximately 6 inches of leaves piled on the grass) for five consecutive years, found no long-term effects of the shredded leaves on turf quality, thatch thickness, organic content of the thatch, or soil test results (pH, nutrients, etc.). If you mow leaves and have a cool-season lawn, it makes sense to be on a fall nitrogen fertilization program and core-aerate in the fall (things you should be doing anyway). If you have a warm-season lawn, you can still use this technique but wait to fertilize and core-aerate until next late
May or early June. (Ward Upham)
Vegetables:
Hardiness of Cool-Season Vegetables
Cool-season vegetables vary in cold tolerance, with some able to take colder temperatures than others.
Semi-hardy crops can take a light frost but are damaged by temperatures in the mid- to upper-20s. Examples include beets, Chinese cabbage, collards, Irish potatoes, Bibb lettuce, mustard, radishes, spinach, Swiss chard, and leaf lettuce. Covering these plants when cold weather threatens can help extend the harvest season.
Plants termed “hardy” can take lower temperatures but are damaged when the temperature drops to the low 20s. These include cabbage, broccoli, cauliflower, Brussels sprouts, carrots, turnips, and kale.
Certain root crops can essentially be stored outside even after the leaves have been damaged or killed by frost. Beets, carrots, potatoes and turnips can be mulched and harvested as needed until the soil starts to freeze in late November to December.Growing vegetables in Kansas can be a challenge, but we have an extremely long gardening season. We can harvest from early April (asparagus) to early December. Winter is a good time to plan and prepare for next year’s crops. (Ward Upham)
Semi-hardy crops can take a light frost but are damaged by temperatures in the mid- to upper-20s. Examples include beets, Chinese cabbage, collards, Irish potatoes, Bibb lettuce, mustard, radishes, spinach, Swiss chard, and leaf lettuce. Covering these plants when cold weather threatens can help extend the harvest season.
Plants termed “hardy” can take lower temperatures but are damaged when the temperature drops to the low 20s. These include cabbage, broccoli, cauliflower, Brussels sprouts, carrots, turnips, and kale.
Certain root crops can essentially be stored outside even after the leaves have been damaged or killed by frost. Beets, carrots, potatoes and turnips can be mulched and harvested as needed until the soil starts to freeze in late November to December.Growing vegetables in Kansas can be a challenge, but we have an extremely long gardening season. We can harvest from early April (asparagus) to early December. Winter is a good time to plan and prepare for next year’s crops. (Ward Upham)
Winter Mulching of Vegetables
We can extend the harvest season of some root crops such as beets, carrots, parsnips, and turnips by mulching to slow down soil freezing. Mulching allows harvest to continue much later than usual (usually mid- to late-December) when even mulched areas freeze hard.
Rhubarb is a shallow-rooted perennial crop that can also benefit from mulching to help stabilize soil temperatures. Plants that are not mulched may be heaved out of the ground by alternate freezing and thawing through the winter. Mulching moderates these temperature shifts and helps protect the plant. Mulch should be removed by mid-March so soil warming can encourage early emergence. (Ward Upham)
Rhubarb is a shallow-rooted perennial crop that can also benefit from mulching to help stabilize soil temperatures. Plants that are not mulched may be heaved out of the ground by alternate freezing and thawing through the winter. Mulching moderates these temperature shifts and helps protect the plant. Mulch should be removed by mid-March so soil warming can encourage early emergence. (Ward Upham)
Miscellaneous:
What is the "Wild" Shrub with the Bright Red Berries
People in the eastern half of the state have been reporting shrubs with bright red berries growing wild. The berries are clustered around the stem and the leaves are still a bright green color. These are likely one of two species of bush honeysuckle, Amur or Tatarian. Each species can reach 6 to 20 feet tall.
This landscape shrub has become a serious understory invasive throughout the Midwest from eastern Kansas to Ohio. Many states have it on their noxious weeds list. All of our native honeysuckles are vines, similar to the vining Japanese honeysuckle. Amur and Tatarian honeysuckles are very noticeable in the spring as they put out leaves much earlier than most other trees and shrubs. Leaves also stay green much later into the fall. This long growing season gives it a competitive advantage over other native species, and the vigorous growth can take over a woodland understory, reducing the number of native woodland wildflowers and other shrubs. If you want to promote native species on your property, then controlling bush honeysuckles is needed. Honeysuckle seedlings can be readily hand pulled when the soil is damp. Chemical control is needed for larger infestations, as cutting alone results in vigorous resprouting. Foliar applications of glyphosate (i.e., Roundup) in late summer and fall works well as does applications of Crossbow (2,4-D + triclopyr). Treating cut stumps with Tordon RTU (picloram), or concentrated (20% - 50%) glyphosate is also quite effective. Several studies have shown basal spraying with triclopyr (Garlon) not to be effective, while basal applications with 2,4-D or picloram products work well, using an oil carrier to penetrate the bark. Please follow all label instructions when using pesticides. (Charlie Barden and Ward Upham)
This landscape shrub has become a serious understory invasive throughout the Midwest from eastern Kansas to Ohio. Many states have it on their noxious weeds list. All of our native honeysuckles are vines, similar to the vining Japanese honeysuckle. Amur and Tatarian honeysuckles are very noticeable in the spring as they put out leaves much earlier than most other trees and shrubs. Leaves also stay green much later into the fall. This long growing season gives it a competitive advantage over other native species, and the vigorous growth can take over a woodland understory, reducing the number of native woodland wildflowers and other shrubs. If you want to promote native species on your property, then controlling bush honeysuckles is needed. Honeysuckle seedlings can be readily hand pulled when the soil is damp. Chemical control is needed for larger infestations, as cutting alone results in vigorous resprouting. Foliar applications of glyphosate (i.e., Roundup) in late summer and fall works well as does applications of Crossbow (2,4-D + triclopyr). Treating cut stumps with Tordon RTU (picloram), or concentrated (20% - 50%) glyphosate is also quite effective. Several studies have shown basal spraying with triclopyr (Garlon) not to be effective, while basal applications with 2,4-D or picloram products work well, using an oil carrier to penetrate the bark. Please follow all label instructions when using pesticides. (Charlie Barden and Ward Upham)
My Oaks are Raining Worms
Areas near Wichita, Kansas are receiving calls regarding tiny, white worms falling from pin oak trees. These worms are actually the larvae of the oak vein gall midge. A midge is a very small fly and therefore the larvae are maggots.
The larvae came from the vein galls that are on the pin oak leaves. Newly hatched larvae feed on the veins of
young leaves in the spring and cause a swelling and flattening of the veins. These maggots are now
dropping to the ground in order to pupate. Adults emerge early the next spring to start the cycle all over again. The midges apparently cause no damage. (Ward Upham)
The larvae came from the vein galls that are on the pin oak leaves. Newly hatched larvae feed on the veins of
young leaves in the spring and cause a swelling and flattening of the veins. These maggots are now
dropping to the ground in order to pupate. Adults emerge early the next spring to start the cycle all over again. The midges apparently cause no damage. (Ward Upham)
Drip Irrigation for Community Gardens Publication Available
A new publication that covers using drip irrigation for community gardens is now available. The publications covers low-pressure and high-pressure drip systems, water source and filtration, installation and monitoring soil moisture. You can find it at: http://www.ksre.ksu.edu/bookstore/pubs/MF3124.pdf
Contributors: Charles Barden, Extension Forester; Ward Upham, Extension Associate
Video of the Week:
How to Stake a Tree
Upcoming Events:
Kansas Turfgrass Conference
The 64th Annual Kansas Turfgrass Conference will be held December 2, 3 & 4 at the Kansas Expocentre in Topeka. The conference is an excellent way to learn about turf and landscape management, visit with old friends, network with new ones, and see all the latest and greatest equipment and supplies from local and national vendors.
The conference has been approved for Commercial pesticide recertification hours:
1 Core hour
3A - 7 hours
3B - 10 hours
International Society of Arboriculture CEUS and GCSAA education points will also be available by attending the conference.
For a copy of the program and to register online, go to https://turfconference.eventbrite.com
The conference has been approved for Commercial pesticide recertification hours:
1 Core hour
3A - 7 hours
3B - 10 hours
International Society of Arboriculture CEUS and GCSAA education points will also be available by attending the conference.
For a copy of the program and to register online, go to https://turfconference.eventbrite.com
Turfgrass:
Why Late Lawn Seedings Often Fail
We normally recommend that Kentucky bluegrass and tall fescue be seeded in September but no later than October 15. Though plantings later than October 15 can be successful, the odds of success diminish as time passes.
The problem with late plantings is not that the seed will not come up or that young grass plants are sensitive to cold. Most often, the problem is with rooting. Unless the young grass plants have a fairly extensive root system, the freezing and thawing that takes place during winter heaves plants out of the ground, and they dry out and die.
Regardless of when planted, be sure the new lawn is kept watered through the fall. More mature lawns will need less frequent watering but all should go into the winter with moist soil. (Ward Upham)
The problem with late plantings is not that the seed will not come up or that young grass plants are sensitive to cold. Most often, the problem is with rooting. Unless the young grass plants have a fairly extensive root system, the freezing and thawing that takes place during winter heaves plants out of the ground, and they dry out and die.
Regardless of when planted, be sure the new lawn is kept watered through the fall. More mature lawns will need less frequent watering but all should go into the winter with moist soil. (Ward Upham)
Frost on Lawns
If you have ever walked across a frosted lawn that isn't dormant, you may have noticed your footprints showing up later in the day. Though this is unsightly, it does not kill the turf. Grass blades are damaged but the crown is not. Actively growing turf will often recover after two to four mowings. Damage that occurs this late in the fall will continue to show damage until it is masked by the rest of the lawn turning brown due to cold weather. It is believed that the damage is caused by ice crystals killing plant cells when they are forced into the leaf by the weight of a wheel or foot. Remember to avoid damage by staying off of frosted turf. (Ward Upham)
Flowers:
Winter Storage of Summer Bulbs
As winter approaches, we need to start thinking about storage of the bulbs that will not survive Kansas winters. The bulbs of gladiolus, caladium, dahlia, tuberous begonia, calla lily, and canna lily need to be dug and stored so they can be planted next year. Actually, the storage organ of the above plants is not a true bulb. Canna and calla lilies are rhizomes, caladium and tuberous begonias are tubers, gladiolus is a corm, and dahlia is a tuberous rooted plant. All of these plants should be dug after frost has browned the foliage. Then, allow them to dry for about a week in a shady, well-ventilated site such as a garage or tool shed. Remove any excess soil and pack them in peat moss, vermiculite, or perlite. Make sure the bulbs don't touch so that if one decays, the rot doesn't spread. Dusting them with a fungicide before storage will help prevent them from rotting.
Caladium should be stored between 50 and 60 degrees F. The other bulbs mentioned should be stored near 40 degrees F. Finding a good spot to store the bulbs may be difficult. Some people place them against a basement wall farthest from the furnace and insulate them so the wall keeps them cool (Ward Upham)
Caladium should be stored between 50 and 60 degrees F. The other bulbs mentioned should be stored near 40 degrees F. Finding a good spot to store the bulbs may be difficult. Some people place them against a basement wall farthest from the furnace and insulate them so the wall keeps them cool (Ward Upham)
Miscellaneous:
Amending Soils with Sand
Sand is sometimes suggested as an amendment material for clay soils. However, there is good reason to be cautious about using sand. In order for sand to be effective in breaking up a clay soil, sand grains must touch one another so there are pore spaces between grains that can hold air and/or water. If the grains do not touch, the clay fills in all the voids between the sand particles, leaving no room for pores.
This is the same principle used to make concrete and the result is somewhat the same. You end up making a bad situation worse. So how much sand does it take for it to be effective? Normally, we consider about 80 percent sand to be sufficient. In most cases this makes the use of sand impractical. The addition of organic matter is a much better choice. (Ward Upham)
This is the same principle used to make concrete and the result is somewhat the same. You end up making a bad situation worse. So how much sand does it take for it to be effective? Normally, we consider about 80 percent sand to be sufficient. In most cases this makes the use of sand impractical. The addition of organic matter is a much better choice. (Ward Upham)
Work Garden Soils in the Fall
Fall is the preferred time to prepare garden soil for next spring's vegetable garden. Spring is often wet, making it difficult to work soil without forming clods that remain the rest of the season. Fall usually is drier, allowing more time to work the soil when it is at the correct soil moisture content. Even if you work soil wet in the fall and form clods, the freezing and thawing that takes place in the winter will break them down, leaving a mellow soil the following spring.
Insects often hide in garden debris. If that debris is worked into the soil, insects will be less likely to survive the winter. Diseases are also less likely to overwinter if old plants are worked under. Also, garden debris will increase the organic matter content of the soil. Working the debris into the soil is easier if you mow the old vegetable plants several times to reduce the size of the debris.
Fall is an excellent time to add organic matter. Not only are organic materials usually more available in the fall (leaves, rotten hay or silage, grass clippings) but fresher materials can be added int he fall than in the spring because there is more time for them to break down before planting. As a general rule, add 2 inches of organic material to the surface of the soil and till it in. Be careful not to over till. You should end up with particles the size of grape nuts or larger. If you work garden soil into the consistency of flour, you have destroyed the soil structure. (Ward Upham)
Contributors: Ward Upham, Extension Associate
Insects often hide in garden debris. If that debris is worked into the soil, insects will be less likely to survive the winter. Diseases are also less likely to overwinter if old plants are worked under. Also, garden debris will increase the organic matter content of the soil. Working the debris into the soil is easier if you mow the old vegetable plants several times to reduce the size of the debris.
Fall is an excellent time to add organic matter. Not only are organic materials usually more available in the fall (leaves, rotten hay or silage, grass clippings) but fresher materials can be added int he fall than in the spring because there is more time for them to break down before planting. As a general rule, add 2 inches of organic material to the surface of the soil and till it in. Be careful not to over till. You should end up with particles the size of grape nuts or larger. If you work garden soil into the consistency of flour, you have destroyed the soil structure. (Ward Upham)
Contributors: Ward Upham, Extension Associate
Authors
Ward Upham runs the Horticulture Response Center in the Department of Horticulture and Natural Resources at Kansas State University. Other contributors include K-State Extension Specialists.
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Tree Planting
Trees
Tubakia
Tubakia-leaf-spot
Turf-in-shade
Twig-girdlers
Vegetable-flowersfruit
Vegetables
Vegetable Seed
Vegetable Transplants
Velvet Ants
Vinegar As Herbicide
Walnut Caterpillars
Warm Fall
Water Damage
Watering
Watermelon
Water Teepees
Weeds In Flower Beds
Weeds In Turf
Weird Squash
White Grubs
Whitelined-sphinx-caterpillar
Wildflower Establishment
Wildflower-establishment
Wildlife
Wild Violet Control
Wind Chill
Winter Damage
Winterizing Water Lines
Winter Mulching Vegetables
Winter Squash
Wood Chips
Worms From Oaks
Yellowjackets
Yellow Nutsedge
