The Message Board

RE: onion weed

Posted 1493 days ago

Try painting the leaves(use a kids paintbrush)with Glyphosate. You might have to do the area twice if some bulbs manage to slip through the first dose.

RE: onion weed

Posted 1429 days ago

Large bore syringe with Glyphosate and inject it directly into the soil. Painting the leaves tends to only kill the leaves and not the bulbs.
Digging them up only increases them by several trilllion.

Cheers Bud,
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RE: onion weed

Posted 1418 days ago

You think you have a problem with onion weed - take a look at my paddocks. However my onion weed is probably a different kind to yours. The onion weed (or onion grass) I have has a small purple flower when it flowers. I find when it's been dug up it tends to reduce in numbers.

The onion weed we had in Sydney is probably the one you're talking about - it had a white flower. I used to find weed sprays useless on them, I'd dig them up where I could and carefully remove the whole plant roots and all - with some of the surrounding soil. It's a tedious job. It's best to dig them up when they are not producing new bulbs - they multiply in 2 ways - producing the new bulbs at it's base and by seeds.
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Even the hard, dull, dry ground harbours life - which is brought to the surface with the fresh touch of drenching rain (or the humble watering can).

RE: onion weed

Posted 875 days ago

I have managed to get rid of the few I had by covering them with black polythene and/or lots of newspapers. when I wanted to plant in that area I dug a hole thru the paper/poly and added compost and planted my plants I was lucky and did not have a great area to treat. some of the weed did come thru with the new seedlings but I kept digging them out. takes a while to treat.

RE: onion weed

Posted 871 days ago

judyo is right. newspapers are the best though you need a thick layer. it kills most if not all without disturbing the soil
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No gardener is really good before he has killed one or two plants.

RE: onion weed

Posted 870 days ago

Problem sometimes is, that you do not want to see newspapers for months, especially when it is part of lawn or backyard that you see every day. However digging up can make matters worse as little bubblets can spread around.

If not too close to some precious plants, I make hole in the ground with screwdriver and pour boiling water into the hole. When water seeps in I pour some more couple of times. If I don't want to cook roots of other plants I rub Zero weed killer into wounded leaves using rubber gloves.

RE: onion weed

Posted 866 days ago

actuall Georgen you are a bit slow.....you are supposed to cover the newspaper with wood chips or even fresh soil as long it has no onion grass.

boiling water wont help but might stimulate the growth of the onion weeds due to the warmth in the soil, Zero is also not very useful a you will have to do it a couple of times which no one will be bothered.

really the pt is everyone hates weeding but you should only do it twice a year in your yard. otherwise you are just wasting time.
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No gardener is really good before he has killed one or two plants.

RE: onion weed

Posted 858 days ago

A few drops of turps down the centre will knock it over for keeps.
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Experience is what you get when you dont read the instructions first.I'm a LEO.I am experienced!