Fall Branch, TN frost dates
How Fall Branch compares
- In 8 years out of 10, the last spring frost in Fall Branch falls between March 25 and April 25, a 31-day window. The first fall frost falls between October 15 and November 10.
- The median last frost is 2 days later than the Tennessee median of Apr 7.
- Its 203-day growing season is longer than 41% of the 548 Tennessee places with a regular frost season (state median 206 days).
- The last frost is 7 days earlier 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 83 nights a year at or below 32°F.
- Fall Branch shares its weather station with Kingsport, TN, 15 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 25 |
| 50% (median) | April 9 |
| 10% (safe for tender plants) | April 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 15 |
| 50% (median) | October 29 |
| 90% (late) | November 10 |
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 Fall Branch, TN
Fall Branch, TN frost dates — last frost Apr 9, first frost Oct 29, zone 7a. whenisthelastfrost.com
When to plant vegetables in Fall Branch, TN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 15 – Jan 29 | Mar 12 – Mar 26 | — | — |
| Peppers | Jan 29 – Feb 12 | Apr 23 – May 7 | — | — |
| Eggplant | Jan 29 – Feb 12 | Apr 23 – May 7 | — | — |
| Tomatoes | Feb 12 – Feb 26 | Apr 16 – Apr 30 | — | — |
| Lettuce | Feb 12 – Feb 26 | Mar 19 – Apr 2 | Mar 12 – Apr 16 | Sep 3 – Oct 1 |
| Kale | Feb 12 – Feb 26 | Mar 12 – Mar 26 | Mar 12 – Mar 26 | Aug 20 – Sep 10 |
| Broccoli | Feb 12 – Feb 26 | Mar 26 – Apr 9 | — | Jul 23 – Aug 13 |
| Cabbage | Feb 12 – Feb 26 | Mar 19 – Apr 2 | — | Jul 23 – Aug 13 |
| Cauliflower | Feb 12 – Feb 26 | Mar 26 – Apr 9 | — | Jul 23 – Aug 13 |
| Okra | Feb 26 – Mar 12 | Apr 30 – May 14 | Apr 30 – May 14 | — |
| Basil | Feb 26 – Mar 12 | Apr 16 – Apr 30 | — | — |
| Peas | — | — | Feb 26 – Mar 19 | Aug 6 – Aug 27 |
| Spinach | — | — | Feb 26 – Mar 19 | Sep 3 – Sep 24 |
| Radishes | — | — | Mar 5 – Apr 16 | Sep 17 – Oct 8 |
| Cucumbers | Mar 12 – Mar 19 | Apr 23 – Apr 30 | Apr 16 – Apr 30 | Aug 13 – Aug 27 |
| Zucchini & Summer Squash | Mar 12 – Mar 19 | — | Apr 16 – Apr 30 | Aug 20 – Sep 3 |
| Winter Squash & Pumpkins | Mar 12 – Mar 19 | — | Apr 16 – Apr 30 | — |
| Melons & Watermelon | Mar 12 – Mar 19 | Apr 23 – May 7 | — | — |
| Carrots | — | — | Mar 19 – Apr 16 | Aug 6 – Aug 20 |
| Beets | — | — | Mar 19 – Apr 16 | Aug 20 – Sep 3 |
| Potatoes | — | — | Mar 19 – Apr 9 | — |
| Swiss Chard | — | — | Mar 26 – Apr 23 | Aug 20 – Sep 3 |
| Cilantro | — | — | Mar 26 – Apr 16 | Sep 3 – Sep 24 |
| Green Beans | — | — | Apr 16 – May 7 | Aug 13 – Aug 27 |
| Sweet Corn | — | — | Apr 16 – Apr 30 | — |
| Sweet Potatoes | — | Apr 23 – May 14 | — | — |
| Garlic | — | — | — | Oct 15 – Nov 19 |
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 Kingsport, TN weather station, 14 km away (elevation 1,283 ft (391 m)).
Frost dates near Fall Branch
- Kingsport Apr 9 · Oct 29
- Church Hill Apr 9 · Oct 29
- Mount Carmel Apr 9 · Oct 29
- Limestone Apr 21 · Oct 23
- Jonesborough Apr 21 · Oct 23
- Chuckey Apr 20 · Oct 22
- Surgoinsville Apr 14 · Oct 24
- Telford Apr 21 · Oct 23
- Johnson City Apr 21 · Oct 23
- Afton Apr 20 · Oct 22
Frequently asked questions
When is the last frost in Fall Branch, TN?
The median last spring frost in Fall Branch, TN is April 9. There is still about a 10% chance of frost after April 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Fall Branch, TN?
The median first fall frost is October 29, with about a 10% chance of frost before October 15.
How long is the growing season in Fall Branch, TN?
About 203 days between the median last spring frost and first fall frost.
What planting zone is Fall Branch, TN?
Fall Branch, TN is in USDA hardiness zone 7a.