Tennessee Frost Dates
Published: February 1, 2026 · Updated: April 23, 2026
Last Spring Frost
March 15
Zone 7a
First Fall Frost
November 15
Zone 7a
Frost-Free Season
245 days
Mid-March to Late November
Lawn Care Timing for Tennessee
Vegetable Garden Timing for Tennessee
Frost Dates by City in Tennessee
Frequently Asked Questions
What is the last frost date in Tennessee?
The average last spring frost in Tennessee (zone 7a) is March 15. Dates vary by city and elevation. Find your specific city below for exact dates.
When is it safe to plant tomatoes in Tennessee?
Transplant tomato seedlings outdoors after March 15 — the average last frost date for zone 7a. Start seeds indoors Late December. Wait 2 weeks after last frost for extra safety.
When should I overseed my lawn in Tennessee?
The prime overseeding window in Tennessee is September 15–October 15. This ensures 6 weeks of warm soil for germination before the first fall frost on November 15.
When should I apply winteriser in Tennessee?
Apply winteriser fertiliser by Late November. Your first fall frost of November 15 is the hard deadline — apply at least 2–3 weeks before.
What USDA zone is Tennessee?
Tennessee contains USDA zones 7a. Each zone has different frost dates and growing seasons. Find your city below for your specific zone.