Pre-Emergent Herbicides: Stopping Weeds Before They Start

Pre-emergents kill germinating seeds—apply periodically all season (germination is continuous). Timing: after 3-4 mows on new lawn (canopy formed, not too tall). Water in: activation requires moisture. Track: calendar with date, rate, conditions, area. Refine annually.

See Weeds? Treat Both Ways

Visible weeds = active germination beneath. Spot-treat with post-emergent, then blanket with pre-emergent. Continuous prevention beats repeated cure. The calendar becomes your weed-control brain.