Townsend, TN frost dates
How Townsend compares
- In 8 years out of 10, the last spring frost in Townsend falls between April 1 and May 10, a 39-day window. The first fall frost falls between October 9 and November 4.
- The median last frost is 13 days later than the Tennessee median of Apr 7.
- Its 185-day growing season is longer than 7% of the 548 Tennessee places with a regular frost season (state median 206 days).
- The last frost is 4 days later than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 101 nights a year at or below 32°F.
- Compared with Knoxville, TN, 38 km away, the last frost here is 9 days later than there and the growing season is 15 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 1 |
| 50% (median) | April 20 |
| 10% (safe for tender plants) | May 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 9 |
| 50% (median) | October 22 |
| 90% (late) | November 4 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Townsend, TN
Townsend, TN frost dates — last frost Apr 20, first frost Oct 22, zone 7a. whenisthelastfrost.com
When to plant vegetables in Townsend, TN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 26 – Feb 9 | Mar 23 – Apr 6 | — | — |
| Peppers | Feb 9 – Feb 23 | May 4 – May 18 | — | — |
| Eggplant | Feb 9 – Feb 23 | May 4 – May 18 | — | — |
| Tomatoes | Feb 23 – Mar 9 | Apr 27 – May 11 | — | — |
| Lettuce | Feb 23 – Mar 9 | Mar 30 – Apr 13 | Mar 23 – Apr 27 | Aug 27 – Sep 24 |
| Kale | Feb 23 – Mar 9 | Mar 23 – Apr 6 | Mar 23 – Apr 6 | Aug 13 – Sep 3 |
| Broccoli | Feb 23 – Mar 9 | Apr 6 – Apr 20 | — | Jul 16 – Aug 6 |
| Cabbage | Feb 23 – Mar 9 | Mar 30 – Apr 13 | — | Jul 16 – Aug 6 |
| Cauliflower | Feb 23 – Mar 9 | Apr 6 – Apr 20 | — | Jul 16 – Aug 6 |
| Okra | Mar 9 – Mar 23 | May 11 – May 25 | May 11 – May 25 | — |
| Basil | Mar 9 – Mar 23 | Apr 27 – May 11 | — | — |
| Peas | — | — | Mar 9 – Mar 30 | Jul 30 – Aug 20 |
| Spinach | — | — | Mar 9 – Mar 30 | Aug 27 – Sep 17 |
| Radishes | — | — | Mar 16 – Apr 27 | Sep 10 – Oct 1 |
| Cucumbers | Mar 23 – Mar 30 | May 4 – May 11 | Apr 27 – May 11 | Aug 6 – Aug 20 |
| Zucchini & Summer Squash | Mar 23 – Mar 30 | — | Apr 27 – May 11 | Aug 13 – Aug 27 |
| Winter Squash & Pumpkins | Mar 23 – Mar 30 | — | Apr 27 – May 11 | — |
| Melons & Watermelon | Mar 23 – Mar 30 | May 4 – May 18 | — | — |
| Carrots | — | — | Mar 30 – Apr 27 | Jul 30 – Aug 13 |
| Beets | — | — | Mar 30 – Apr 27 | Aug 13 – Aug 27 |
| Potatoes | — | — | Mar 30 – Apr 20 | — |
| Swiss Chard | — | — | Apr 6 – May 4 | Aug 13 – Aug 27 |
| Cilantro | — | — | Apr 6 – Apr 27 | Aug 27 – Sep 17 |
| Green Beans | — | — | Apr 27 – May 18 | Aug 6 – Aug 20 |
| Sweet Corn | — | — | Apr 27 – May 11 | — |
| Sweet Potatoes | — | May 4 – May 25 | — | — |
| Garlic | — | — | — | Oct 8 – Nov 12 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Townsend 5s, TN weather station, 9 km away (elevation 1,893 ft (577 m)).
Frost dates near Townsend
- Walland Apr 1 · Nov 2
- Maryville Apr 1 · Nov 2
- Seymour Apr 6 · Oct 29
- Alcoa Apr 1 · Nov 2
- Tallassee Apr 17 · Oct 27
- Rockford Apr 1 · Nov 2
- Gatlinburg Apr 17 · Oct 25
- Pigeon Forge Apr 6 · Oct 29
- Sevierville Apr 6 · Oct 29
- Louisville Apr 1 · Nov 2
Frequently asked questions
When is the last frost in Townsend, TN?
The median last spring frost in Townsend, TN is April 20. There is still about a 10% chance of frost after May 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Townsend, TN?
The median first fall frost is October 22, with about a 10% chance of frost before October 9.
How long is the growing season in Townsend, TN?
About 185 days between the median last spring frost and first fall frost.
What planting zone is Townsend, TN?
Townsend, TN is in USDA hardiness zone 7a.