Smartt, TN frost dates
How Smartt compares
- In 8 years out of 10, the last spring frost in Smartt falls between March 20 and April 23, a 34-day window. The first fall frost falls between October 16 and November 10.
- The median last frost is the same as the Tennessee median of Apr 7.
- Its 206-day growing season is longer than 47% of the 548 Tennessee places with a regular frost season (state median 206 days).
- The last frost is typical for zone 7b, where the median is Apr 5.
- The weather station records an average of 69 nights a year at or below 32°F.
- Compared with Murfreesboro, TN, 57 km away, the last frost here is 2 days earlier than there and the growing season is 5 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 20 |
| 50% (median) | April 7 |
| 10% (safe for tender plants) | April 23 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 16 |
| 50% (median) | October 30 |
| 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 Smartt, TN
Smartt, TN frost dates — last frost Apr 7, first frost Oct 30, zone 7b. whenisthelastfrost.com
When to plant vegetables in Smartt, TN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 13 – Jan 27 | Mar 10 – Mar 24 | — | — |
| Peppers | Jan 27 – Feb 10 | Apr 21 – May 5 | — | — |
| Eggplant | Jan 27 – Feb 10 | Apr 21 – May 5 | — | — |
| Tomatoes | Feb 10 – Feb 24 | Apr 14 – Apr 28 | — | — |
| Lettuce | Feb 10 – Feb 24 | Mar 17 – Mar 31 | Mar 10 – Apr 14 | Sep 4 – Oct 2 |
| Kale | Feb 10 – Feb 24 | Mar 10 – Mar 24 | Mar 10 – Mar 24 | Aug 21 – Sep 11 |
| Broccoli | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 24 – Aug 14 |
| Cabbage | Feb 10 – Feb 24 | Mar 17 – Mar 31 | — | Jul 24 – Aug 14 |
| Cauliflower | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 24 – Aug 14 |
| Okra | Feb 24 – Mar 10 | Apr 28 – May 12 | Apr 28 – May 12 | — |
| Basil | Feb 24 – Mar 10 | Apr 14 – Apr 28 | — | — |
| Peas | — | — | Feb 24 – Mar 17 | Aug 7 – Aug 28 |
| Spinach | — | — | Feb 24 – Mar 17 | Sep 4 – Sep 25 |
| Radishes | — | — | Mar 3 – Apr 14 | Sep 18 – Oct 9 |
| Cucumbers | Mar 10 – Mar 17 | Apr 21 – Apr 28 | Apr 14 – Apr 28 | Aug 14 – Aug 28 |
| Zucchini & Summer Squash | Mar 10 – Mar 17 | — | Apr 14 – Apr 28 | Aug 21 – Sep 4 |
| Winter Squash & Pumpkins | Mar 10 – Mar 17 | — | Apr 14 – Apr 28 | — |
| Melons & Watermelon | Mar 10 – Mar 17 | Apr 21 – May 5 | — | — |
| Carrots | — | — | Mar 17 – Apr 14 | Aug 7 – Aug 21 |
| Beets | — | — | Mar 17 – Apr 14 | Aug 21 – Sep 4 |
| Potatoes | — | — | Mar 17 – Apr 7 | — |
| Swiss Chard | — | — | Mar 24 – Apr 21 | Aug 21 – Sep 4 |
| Cilantro | — | — | Mar 24 – Apr 14 | Sep 4 – Sep 25 |
| Green Beans | — | — | Apr 14 – May 5 | Aug 14 – Aug 28 |
| Sweet Corn | — | — | Apr 14 – Apr 28 | — |
| Sweet Potatoes | — | Apr 21 – May 12 | — | — |
| Garlic | — | — | — | Oct 16 – Nov 20 |
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 Mc Minnville, TN weather station, 6 km away (elevation 942 ft (287 m)).
Frost dates near Smartt
- Mcminnville Apr 7 · Oct 30
- Morrison Apr 7 · Oct 30
- Viola Apr 7 · Oct 30
- Summitville Apr 13 · Oct 24
- Rock Island Apr 6 · Oct 30
- Beersheba Springs Apr 21 · Oct 20
- Bradyville Apr 17 · Oct 21
- Campaign Apr 6 · Oct 30
- Altamont Apr 21 · Oct 20
- Arnold Afb Apr 13 · Oct 24
Frequently asked questions
When is the last frost in Smartt, TN?
The median last spring frost in Smartt, TN is April 7. There is still about a 10% chance of frost after April 23, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Smartt, TN?
The median first fall frost is October 30, with about a 10% chance of frost before October 16.
How long is the growing season in Smartt, TN?
About 206 days between the median last spring frost and first fall frost.
What planting zone is Smartt, TN?
Smartt, TN is in USDA hardiness zone 7b.