The Q&A Archives: killing creeping charlie

Question: Last year I made the mistake of weeding areas in my yard and putting all the weeds in a corner, thinking of a compost pile. But the creeping charlie has tripled in size. I tossed weed and feed on it but it blossomed and has lots of leaves. I am overwelmed with this weed please help.

Answer: Your original thought of tossing everything in a corner of the yard so it can compost is a good one. The only suggestion I have is that you need to turn it to keep it decomposing and to keep the temperatures up high enough to kill weed seeds. Just use a garden fork and move the pile around, spreading the inside to the edges and the edges to the inside. This will help it heat up and cook those weed seeds.

Creeping Charlie (Glechoma hederacea) can be a real pest. Many gardeners have had good luck eradicating the plant by mixing 10 ounces 20-Mule Team Borax in 2-1/2 gallons of water and applying the mixture to the weeds. The boron doesn't affect turfgrass, but overwhelms the roots of creeping Charlie. Cool weather reduces its effectiveness so apply in May or June when the weather starts to warm. The University of Minnesota and Iowa State University have tested this recipe and report good results. Hope it works for you, too.

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