The Q&A Archives: Weed-like scallions

Question: How do you get rid of/prevent those weed-like scallions in garden soil?

Answer: Wild onions can be a real pest. I suspect they are proliferating as both tiny offset bulbs and as seedlings. You might try using one of the air and water permeable landscape cloth mulches to try to limit their growth along with spot applications of a weed killer containing glyphosate. This can be done by wiping it on rather than spraying when there are many desirable plants intermingled with the weeds. Finally, you might try controlling them in nearby areas to limit the seed blowing in and of course, never allow them to set seed in your garden.

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