Hardiness Zone: 9a
Thank you very much,
I don't know of any homemade weed killer designed specifically for oxalis that won't kill the rest of your grass. There are several homemade recipes listed on this site if you want to experiment with some, however most are not discriminating and will kill everything they come into contact with.
Oxalis reproduces by bulblets and seeds that need light to germinate. You may have to employ a combination of strategies over several years in order to regain total control of your yard. The first would be to dig out some of the plants with their bulbs. You'll need to dig down at least 6 inches deep. Another is to whack off some of the plants at the surface to weaken the bulbs by keeping them from being fed and to keep the plants from forming seeds. A third is to cover some of the plants with thick mulch or layers of newspaper to prevent new growth from germinating. These are all pretty labor intensive, but they can be effective if you're diligent. Unless of course, your neighbor's yard is overrun and he has decided to surrender. You might also try a book called, "Golden Gate Gardening," by Jan Pierce for more strategies.
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How do I get rid of Oxalis - the green way?
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We have oxalis in our lawn and have treated it with Bindi spray numerous times and it hasn't been successful. I am just wondering would dethatching get rid of it?
I have read that a home based weed killer consisting of full strength white vinegar with two tablespoons dish soap works.
One thing I've done to get rid of persistent weeds is to douse them with boiling water.
You need to get to the root. There are chemical weed killers and vinegar, which is chemical free
How can I get rid of oxalis, which has invaded my vegetable garden?
You will have to dig it up by hand. If you spray the oxalis, you will kill the vegetables too.
What can I use to kill oxalis weed without damaging the lawn?