crab grass - Knowledgebase Question

stockbridge, Ge
Avatar for miguelito70
Question by miguelito70
March 3, 2010
how do I deal with crab gras

Answer from NGA
March 3, 2010
Crabgrass starts germinating when soil temperatures are 50 to 55 degrees F for ten or more days and germination can take place over a 6 week period. Pre-emergence herbicides provide excellent weed control for crabgrass so applying a product such as Scotts Halts Crabgrass Preventer or StaGreen CrabEx Crabgrass Preventer early in the season will keep your lawn crabgrass free all season long.

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