Great Falls, Vi
|I live in the Washington DC area. It is towards the end of march - when should I put down pre-emergent crabgrass fertilizer ?|Answer from NGA
March 23, 2008
|Crabgrass preventive (preemergent) should be applied in early spring, about when the forsythia blooms, so it is probably about time for you to apply yours.|
Best wishes with your lawn!
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