Is it time to overseed your lawn in Tennessee?
Transition Zone region · transition-season grass
Soil temperature today
Estimated69.4°F
Estimated from a 12-day rolling air temperature average, reading of 2026-10-18. How we get this number.
- Cool-season seeding — 50–65°F (15° wide; estimate OK)
- Crabgrass pre-emergent — 52–58°F (6° wide; measured only)
- Warm-season seeding — above 65°F
Not yet — window is closed
soil is still above the 65°F top of the germination range.
Grass seed germinates on soil temperature, not on a date.
Overseeding / seeding guide
Grass seed germinates on soil temperature, not on a date.
Read the full guide →See all task windows for the Transition Zone region →
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