Dunlap, TN frost dates
How Dunlap compares
- In 8 years out of 10, the last spring frost in Dunlap falls between March 6 and April 13, a 38-day window. The first fall frost falls between October 25 and November 29.
- The median last frost is 12 days earlier than the Tennessee median of Apr 7.
- Its 227-day growing season is among the longest of the 548 Tennessee places with a regular frost season.
- The last frost is 10 days earlier than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 63 nights a year at or below 32°F.
- Compared with Chattanooga, TN, 39 km away, the last frost here is 5 days earlier than there and the growing season is 7 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 6 |
| 50% (median) | March 26 |
| 10% (safe for tender plants) | April 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 25 |
| 50% (median) | November 8 |
| 90% (late) | November 29 |
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 Dunlap, TN
Dunlap, TN frost dates — last frost Mar 26, first frost Nov 8, zone 7b. whenisthelastfrost.com
When to plant vegetables in Dunlap, TN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 1 – Jan 15 | Feb 26 – Mar 12 | — | — |
| Peppers | Jan 15 – Jan 29 | Apr 9 – Apr 23 | — | — |
| Eggplant | Jan 15 – Jan 29 | Apr 9 – Apr 23 | — | — |
| Tomatoes | Jan 29 – Feb 12 | Apr 2 – Apr 16 | — | — |
| Lettuce | Jan 29 – Feb 12 | Mar 5 – Mar 19 | Feb 26 – Apr 2 | Sep 13 – Oct 11 |
| Kale | Jan 29 – Feb 12 | Feb 26 – Mar 12 | Feb 26 – Mar 12 | Aug 30 – Sep 20 |
| Broccoli | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Aug 2 – Aug 23 |
| Cabbage | Jan 29 – Feb 12 | Mar 5 – Mar 19 | — | Aug 2 – Aug 23 |
| Cauliflower | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Aug 2 – Aug 23 |
| Okra | Feb 12 – Feb 26 | Apr 16 – Apr 30 | Apr 16 – Apr 30 | — |
| Basil | Feb 12 – Feb 26 | Apr 2 – Apr 16 | — | — |
| Peas | — | — | Feb 12 – Mar 5 | Aug 16 – Sep 6 |
| Spinach | — | — | Feb 12 – Mar 5 | Sep 13 – Oct 4 |
| Radishes | — | — | Feb 19 – Apr 2 | Sep 27 – Oct 18 |
| Cucumbers | Feb 26 – Mar 5 | Apr 9 – Apr 16 | Apr 2 – Apr 16 | Aug 23 – Sep 6 |
| Zucchini & Summer Squash | Feb 26 – Mar 5 | — | Apr 2 – Apr 16 | Aug 30 – Sep 13 |
| Winter Squash & Pumpkins | Feb 26 – Mar 5 | — | Apr 2 – Apr 16 | — |
| Melons & Watermelon | Feb 26 – Mar 5 | Apr 9 – Apr 23 | — | — |
| Carrots | — | — | Mar 5 – Apr 2 | Aug 16 – Aug 30 |
| Beets | — | — | Mar 5 – Apr 2 | Aug 30 – Sep 13 |
| Potatoes | — | — | Mar 5 – Mar 26 | — |
| Swiss Chard | — | — | Mar 12 – Apr 9 | Aug 30 – Sep 13 |
| Cilantro | — | — | Mar 12 – Apr 2 | Sep 13 – Oct 4 |
| Green Beans | — | — | Apr 2 – Apr 23 | Aug 23 – Sep 6 |
| Sweet Corn | — | — | Apr 2 – Apr 16 | — |
| Sweet Potatoes | — | Apr 9 – Apr 30 | — | — |
| Garlic | — | — | — | Oct 25 – Nov 29 |
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 Whitwell-Sequatchie Vly, TN weather station, 13 km away (elevation 1,020 ft (311 m)).
Frost dates near Dunlap
- Palmer Mar 26 · Nov 8
- Old Fort Apr 7 · Oct 29
- Gruetli Laager Apr 21 · Oct 20
- Graysville Apr 11 · Oct 25
- Whitwell Mar 26 · Nov 8
- Bakewell Apr 7 · Oct 29
- Soddy Daisy Apr 7 · Oct 29
- Sale Creek Apr 4 · Oct 31
- Signal Mountain Mar 31 · Nov 6
- Coalmont Apr 21 · Oct 20
Frequently asked questions
When is the last frost in Dunlap, TN?
The median last spring frost in Dunlap, TN is March 26. There is still about a 10% chance of frost after April 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Dunlap, TN?
The median first fall frost is November 8, with about a 10% chance of frost before October 25.
How long is the growing season in Dunlap, TN?
About 227 days between the median last spring frost and first fall frost.
What planting zone is Dunlap, TN?
Dunlap, TN is in USDA hardiness zone 7b.