The Q&A Archives: Crabgrass Killer On My Plants

Question: My neighbor sprayed some crabgrass killer not only on my lawn, but also on my beautiful plants (hostas? I'm not sure how you spell it) Perennial with huge green leaves that has one purple shoot per plant, and my wildflowers. It's been four days now, and the plants are wilting more and more...I've been watering them after sundown to try to rid them of the weedkiller...Is there anything I can do to neutralize this? The bottom of the hostas leaves are all yellow now, and come off very easily.
Thank you for any advice you can give me!
Susan Manganaro

Answer: Washing the chemical off immediately and thus diluting it is usually the most important thing with a spray application. I would suggest you contact the manufacturer of the crabgrass killer and ask them what else if anything you can do.

In the meantime, to help the hostas recover, keep the soil evenly moist and remove any damaged foliage. Watering at night may attract slugs so you might discontinue that. The plants may be able to send out new leaves from the crown.

I'm sorry about your plants.

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