Pre-Emergent Timing by Region: A Quick Reference for Pros

Placeholder content. Pre-emergent timing is the single biggest driver of crabgrass control. Apply too early and the barrier breaks down before peak germination. Apply too late and the seeds are already through.

Soil Temperature Targets

• Crabgrass: barrier in place before 55°F at 4-inch depth.
• Goosegrass: barrier in place before 60–65°F.
• Poa annua (fall apps): apply when soil temps drop below 70°F.

Split Applications

In high-pressure markets, splitting the season label rate across two applications 6–8 weeks apart extends the control window through summer.

Local soil temperature beats calendar dates every spring. Watch the ground, not the date.

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