Onion weed control

Onion Weed Killer

Onion Weed control can be one of the most difficult things in gardening. Although the most effective onion weed killer is a glyphosate based product, such as Roundup this can be extremely laborious. Though it is also possible to eradicate onion weed through covering it with a sheet of black plastic, in order to ‘cook’ it, there by killing it, this solution can take weeks and leaves the soil in very poor condition after the removal of the weed. Digging up the onion weed itself and physically removing it is certain to make the problem worse, due to the multitude of young seedlings which are attached to every onion weed bulb.

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Onion Weed: Eradication or Management?

As a result of it hardy nature, and the fact that there isn’t a dedicated onion weed killer on the market, sometimes it can be easier to control onion weed rather than fully eradicate it. The easiest and most effective way to do this is the physical removal of the plant’s shoots. This is a doubled edges sword: it simultaneously slows the growth of the weed, by removing its ability to photosynthesize, and removes the plant from view; giving the impression that the weed is not there at all! However, the obvious drawback to this solution is that it is not permanent and needs a keen eye to survey the garden regularly on the lookout for sprouts.