The Q&A Archives: how to destroy invasive plants NOW, AND re-plant a flower bed next spring

Question: I'm in charge of our church garden and have to totally eradicate and clean up an old, overwhelmed, perenial flower bed, full of many years-worth of Gooseneck Loosestrife, Bishops Weed and other invasive plants. This needs to be done this Fall, and the bed will be left until next spring to replant it with shrubs and perenials. The invasive plants seem to come from even the smallest pieces of root left in the ground after hand weeding. There is a thick

Answer: Both of the plants you listed are notoriously difficult to eradicate. You could try using an herbicide containing glyphosate, a nonselective herbicide. It will definitely require more than one application, so begin now. This will allow time for the plant to recover using its stored root reserves and resurface so you can reapply it. Be sure to allow the full time for the chemical to be translocated from the foliage to the root where it actually kills the plant. Read and carefully follow all of the label directions. Your local county extension may have additional suggestions on what to use on specific plants in the bed. Best of luck with your project.

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