When to apply pre-emergent in Oklahoma depends on soil temperature, not the calendar. Learn the correct spring and fall timing for Bermuda grass, why 55°F and 70°F soil thresholds matter, and how precise application prevents crabgrass and winter weeds before they establish. Proper timing creates predictable, long-term weed control across Tulsa and surrounding areas.

Choosing the best pre-emergent herbicides for Oklahoma lawns requires more than selecting a product. Effective weed prevention depends on proper timing, understanding soil temperatures, and rotating Modes of Action to reduce resistance pressure. A disciplined, season-long strategy protects turf density and long-term performance — not just this year’s appearance, but stability for seasons to come.