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Old 05-09-2015, 07:11 PM
 
749 posts, read 784,252 times
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[quote=mizar;39552071]"How the devil did they get there?"

I suspect they are windblown seeds, although wild onions do also reproduce by growing 'bulblets' alongside the main mother bulb.

In flower beds, I kill them like this;

I let the onions grow until there's about 4-6 inches above the flower bed foliage.

I mix up weed and grass killer.

I put on a nitrile glove, followed by a cheap jersey cotton glove that I've cut off the wrist collar.

I dip my gloved thumb and forefinger into the weed and grass killer, squeeze off excess, then grasp the onion stems and pull them through my fingers, roughly.

This method will also kill the bulblets, as they're connected to the mother bulb.

-Alto[/QUOTE

What kind of weed and grass killer do you buy? Will it kill my plants next to it? Thank you,
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Old 05-09-2015, 07:18 PM
 
Location: Floribama
15,944 posts, read 33,158,167 times
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I have had them in my yard for years. I remember mowing the grass as a kid and having tears run down my face, but strangely now they don't bother me as bad. They always seem the worst here in early spring, before the lawn fully comes out of dormancy. Once the grass greens up, the onions go away (until next spring).
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Old 05-10-2015, 12:21 AM
 
Location: South-Western USA , desert
521 posts, read 414,154 times
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Quote:
Originally Posted by ansky View Post
I have had onions growing in my yard for years, and every year there seems to be more and more of them. I always mow down the grass before the onion grass flowers, so I don't know how these things keep spreading.
Onions are bulbs, and bulbs reproduce themselves underground, using what is called, 'vegetative reproduction'. They have seeds, too, but they can reproduce by growing baby bulbs directly off of their mature bulbs, theoretically so they can reproduce without having to have a similar plant near by that is the opposite gender.


"How Do Bulbs Reproduce ??"
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Old 05-10-2015, 07:28 AM
 
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"What kind of weed and grass killer do you buy? Will it kill my plants next to it? Thank you."

You can use any product labeled "Grass and Weed Killer", and it won't kill the plants next to it unless you drip on them. I'm thinking of using a sponge soaked in the solution to wet the gloved fingers (inside a plastic tub or something), because I have dripped on some plants unintentionally.
[LEFT]

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Old 05-10-2015, 07:37 AM
 
Location: LI,NY zone 7a
2,217 posts, read 1,348,424 times
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Quote:
Originally Posted by ocngypz View Post
For the first time in 10 years, I have wild onions growing in a raised rose garden.

How the devil did they get there?
First for me this year also. Funny how every year I'm inundated with a certain type of weed only to have it disappear the next year.
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