Early Warm Weather and Crabgrass Germination

xlineman added on March 20, 2017 | Answered

We have had an early warm spell followed by a hard freeze, in the teens several mornings. Will the freeze kill any crabgrass that has germinated and sprouted? Should I wait until soil temps warm again for crabgrass preventer or apply ASAP?

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Certified GKH Gardening Expert
Answered on March 21, 2017

The frost is not likely going to kill the Crabgrass.
Spring is a good time to apply selective herbicides.
Check with your local County Extension Office for advise on weed control in your region.
Here are some links with more information.

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