The Q&A Archives: when to use crabgrass prevention fertilizer

Question: I live in the Washington DC area. It is towards the end of march - when should I put down pre-emergent crabgrass fertilizer ?

Answer: 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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