Quote:
Originally Posted by baygo
i have a great deal of established crab grass enjoying its place among recovering patches of bent grass. I had intended to seed in the fall but missed it. Any ideas on spring treatments?
I read that it is better to let the crab grass grow so the shade from taller plants hinders the growth of other crab grass plants. If this is the case I have another problem. The crab grass is in my greens. I've cut them much close than they'd been cut in the past. Will this prevent the seeding?
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Baygo, where are you located? If you are in New England it is with 100% certainty that it's something other than crabgrass.
The first thing you need to do before throwing down herbicide is to properly identify the weed or undersirable grass. Take a photo and we may be able to help tell you what it is. Some are easy to get rid of, others are tough.
And you NEVER want crabgrass to germinate as it's much easier to prevent germination than to kill it post-emergent. There is stuff that is approved for residential lawns that you can buy but it ain't cheap (and not available at big box) and needs to be applied with a sprayer.
Once crabgrass is germinated, the native grass doesn't have a chance. And, if you have bare spots that permit crabgrass you have other issue to deal with as well as likely your soil chemistry is out of whack.