To prevent summer weeds such as crabgrass pre-emergent herbicides should be applied in mid-February through mid-March.
The North Carolina Ag Chemical handbook will tell you exactly what products to use.
Pre-Emergent Herbicides in Lawns
(Updated: March 3, 2026, 3:18 p.m.)
Taking care of your lawn does not have to be difficult. Here is a simple lawn care calendar.
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