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Replacing a lawn that's infested with crabgrass
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27-08-2006, 11:22 PM posted to rec.gardens
zxcvbob
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First recorded activity by GardenBanter: Jul 2006
Posts: 535
Replacing a lawn that's infested with crabgrass
Johnny Borborigmi wrote:
On 2006-08-27 13:51:35 -0400, zxcvbob said:
wrote:
I'm about to replace a my girlfriend's lawn that's heavily infested
with crabgrass.
What's the best approach to doing this? Some of the different
suggestions I've received are as follows:
- Spray the lawn as it is (without digging it up first) with
preemergent and then cover it with a tarp for several weeks before
digging it up
- Remove the top layer of grass before spraying it
- Not spraying it at all
I guess I have two basic questions - do I really need to take off the
top layer of dead grass before spraying it and do I really need to tarp
it after spraying it? Any and all suggestions will be helpful.
Christopher
P.S. I live in Northern California if that makes a difference.
Crabgrass is an annual. Just keep it mowed this year and put up with
it. Next spring, apply a preemergent herbicide to kill the seedlings.
(I've never used a preemerge herbicide before, but I have one little
strip of lawn next to my driveway where I'm going to try it next year.)
I agree, put it down when the forsythias are in bloom. I did it this
past spring and what a difference!
I used Scott's with Halt's for crabgrass.
"Follow lable directions" as Ralph Snodsmith always says!
Does that have a broadleaf weed killer (2,4-d, etc) in it? I don't use
broadleaf herbicides except to occasionally spot-treat dandelions and
elm or walnut seedlings that got too big to pull. I don't use 2,4-d *at
all* in the back yard where the dogs go.
Bob
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