Get your corn gluten down this weekend

Crabgrass is on the way, and WTOP Garden Editor Mike McGrath says it\'s better to err on the early side when spreading your corn gluten meal. (Getty Images)

The BEST source says it’s time to kick back your crabgrass

Madhuri from Chantilly writes: “Crabgrass has been my main lawn concern for many years now. I know you recommend using corn gluten meal as a crabgrass-preventing pre-emergent just as the ground temperature reaches 55 degrees. Are we there yet?”

It’s not the temperature at ground level that determines the optimum time to apply a pre-emergent herbicide, Madhiri


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