crab grass - Knowledgebase Question

Ridley Park, Pe
Question by alisonfrosc
February 25, 2010
How do I avoid getting crab grass? If crab grass arrives, how do I get rid of it?

Answer from NGA
February 25, 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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