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Crabgrass
dicko wrote:
Nobody's mentioned the other way to get rid of crabgrass. That's to encourage the good grass to grow and choke out the crabgrass. So rather than spending money on killing the crabgrass, spend the money on getting the good grass to grow. I believe the original poster said it was a new lawn. Just fertilize and water and do everything to encourage the new grass to get good and thick this year. Next year, instead of putting down a pre-emergent herbicide, which incidently will prohibit you from putting down any good grass seed, just look at all the thin spots, lay down some grass seed and repeat the process. It will take awhile, a few years maybe, but in the end you'll have a good looking lawn. BTW, the time to put down a post emergent crabgrass killer is when the seedlings are real little. By the time you can see the crabgrass shoots in your lawn its too late and the crabgrass is too established to get rid of it. That of course means that most homeowners apply it way too late in the season to do much good. It should be applied before you even know you have a crabgrass problem. Also, almost all of the post emergent stuff contains arsenic which I'm not too keen on spreading all over my yard. Look at the ruckous raised over CCA treated lumber and arsenic leeching from it and now you want to purposely spread it over your yard? If you do decide to go with a pre-emergent next spring, look at any of the products containing corn gluten. its a natural product and actually decomposes and fertilizes the lawn at the same time. But be aware you wont be able to put down any new seed, so if your trying to establish a new lawn, I'd wait on applying the pre-emergent killer and through seeding and fertilizing, thicken up the lawn. That should naturally choke out the crabgrass. I'm not adovcating a total chemical free weed control program. I'm probalby the first to reach for a broadleaf weed killer when the need arises. But the post emergent crabgrass killers werent very effective when I tried them and I got much better results by just encouraging the good grass to grow and choke everything else out. When I bought my house the lawn had been totally neglected for years and crabgrass was everywhere. Just by fertilizing and reseeding, the next year the crabgrass was markedly reduced and by the third year was totally gone. What little did appear was an easy matter of just pulling it up while mowing the lawn. dickm Corn gluten is expensive. |
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