how do you get rid of wild green onions in the flower bed?

Question

I dig them up every year and they never go away. They multiple like rabbits

Answer 1

Wild onions reproduce by bulb. You have to dig deep enough to remove the whole bulb and the bulblets that might be attached. Never let them flower. Also if you keep cutting back the leaves to the ground, the bulbs will not reproduce. The leaves soak up the sun that allows the bulbs to perpetuate. Also, heavy mulching will discourage the onions. They really want to get those leaves up. Your best bet is too mulch inbetween your plants quite heavily and get those bulbs out of the ground. Dig them up and mulch over the top of them 6 inches deep.

Answer 2

There has to be parent roots...digging up the individual plants helps but then they come back...so you must follow the root system to discover and remove the existing system in order to finally end the growth of onions...or change the flower bed to a veggie bed and your organic veggies will love the onions that will keep away veggie eating pests. Check with the magazine people at "Birds and Blooms" they are pretty good with the answers.

Answer 3

Yeah they are survivors. The new products they have for keeping weeds out of flower beds using hormones, where it keeps seeds from germinating may or may not work, look at it at the store, Lowes and see if onions are listed. If not then you are about out of luck, besides using black plastic around where they are growing to smother the light, they won't live without light. That is all I know, I have the problem too, I just don't let them bother me soooo much. Good luck.

Answer 4

Wild onions started in my flower bed years ago and I have fought new growth each year, from pulling and covering with mulch to removing patches out, they still come back. We have used weed killers, more weed and feed products to no avail. Yes they multiply like rabbits and we find that they propagate to location many yards away. Michigan winters does not kill them, so if there is a cure out there please print it out.

Answer 5

You can kill wild onions with roundup. Sometimes it takes multiple applications, but it will work. Be sure that you don't spray anything else in your bed while you're treating them.

I folded a paper towel and soaked it with roundup once and just wiped the stalks with it... and of course, I wore rubber gloves. I had a couple of onions in my lawn, so spraying would kill the grass, too. It worked.

Answer 6

How bout using that black paper/cloth like stuff, I dont know the name but you may know what I'm talking about, lay that down, and you cut holes where the flowers will grow through and cover with fresh new dirt, and that should help control those weeds that come up.

Answer 7

round up is the solution if u can not dig it out year after year untill its all gone. Do it before they flower. remember one year seeding is seven years weeding

Answer 8

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Answer 9

I wish I knew. I have the same problem.

I starred your question. I wonder if that will help?