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How does crabgrass pre-emergent work?

April 26, 2017crabgrass

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How does crabgrass pre-emergent work?

1 Answer

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10 Posted

To be effective, crabgrass pre-emergent should be applied anytime before soil temperatures reach the mid 50’s. This is generally before June 1st. A pre-emergent actually forms a barrier on the soil surface, which prevents the crabgrass seed from germinating.