GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 11, 2021
Since you missed the preemergent, the next best thing is a weed killer specifically for crabgrass and other grassy weeds. Some products claim to kill both grassy and broadleaf weeds.
https://www.gardeningknowhow.com/plant-problems/weeds/crabgrass-control.htm
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