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Creeping Jenny Removal

Creeping Jenny (Image by Kurt Stüber)
“I have been trying for years to eliminate the creeping jenny that is seeming to take over my garden and flower bed with no success. What is the best way to get rid of it?” Question from Brenda of Peterson, Iowa
Answer: Such a pretty plant…such a pain to remove when you want it gone. Creeping Jenny (Lysimachia nummularia) is a […]

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Weed Killer Storage?

“Have any studies been done to determine if bags of weedkiller “offgas” and contaminate any seed starter/potting soil/etc. stored nearby?” Question from Julie of Hortonville, Wisconsin.
Answer: Not any comprehensive study we can find. The ability for an herbicide to offgas would depend on the product. We recommend looking up the SDS or MSDS for each weedkiller in question to determine its ability to give off harmful gas. You might also contact the maker of the weedkiller in question and ask.
But, […]

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Hardpan Clay Soil…

“I have hard clay soil. I have been adding one plant at at time and even that is hard digging holes large enough to amend soil around roots. But now I want to start a large bed by putting down cardboard, putting a bed border around it, and using everything in our mulch pile to cover the cardboard and leave over winter. Would this help or is there a better way?” Question from Erin of Kirkwood, Missouri.
Answer: I used to […]

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Liquid Fertilizer Application?


“How often [do I] apply liquid plant food?” Question from Nancy
Answer: When it comes to water-soluble plant food, the application frequency and concentration depends entirely on the product, formula (10-10-10 versus a 20-20-20 NPK) and crop. Please let us know what you are growing and product details! Also, when it comes to application guidelines, always refer to the instructions on the product label. Happy Gardening! […]

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Yellow Blueberries


“My blueberry plants have yellow leaves. Why is this happening and what can I do?” -Question from Emily of Columbus, Ohio
ANSWER: Your blueberries have chlorosis. This is caused by a soil pH problem. Blueberries like acid soils between 4.5 and 5.5. When soils are too alkaline (have a higher pH) blueberry plants cannot access necessary nutrients, and their leaves start to turn yellow. Thankfully, […]

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Impossible Weed

Field bindweed
“Can you tell me what this is and how to kill it? I thought I dug it out already, but it keeps coming back. Its roots run really deep.” -Question from Natalie of Oregon
ANSWER: Sadly, your garden has a field bindweed (Convolvulus arvensis) infestation. This is one of the most notoriously difficult perennial weeds to remove. The vine tightly twines up anything, producing little […]

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Poison Ivy?


“Is this poison ivy?” -Question by Summer of Indianapolis, Indiana
ANSWER: Yes! Leaves of three, let it be! And, it looks like the vine is creeping though your fence from your neighbor’s yard! Remove the poison ivy (Toxicodendron radicans) and any seedlings as soon as possible!
The best way to remove poison ivy is to put on long sleeves and disposable gloves, then grab a large trash […]

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