Frost dates for 37161 — Shelbyville, TN
Last spring frostApr 7median date
First fall frostOct 29median date
Growing season205 daysfrost-free
Hardiness zone7bZone 7b
How Shelbyville compares
- In 8 years out of 10, the last spring frost in Shelbyville falls between March 19 and April 23, a 35-day window. The first fall frost falls between October 16 and November 11.
- The median last frost is the same as the Tennessee median of Apr 7.
- Its 205-day growing season is longer than 44% 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 76 nights a year at or below 32°F.
- Compared with Murfreesboro, TN, 40 km away, the last frost here is 2 days earlier than there and the growing season is 4 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 19 |
| 50% (median) | April 7 |
| 10% (safe for tender plants) | April 23 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 16 |
| 50% (median) | October 29 |
| 90% (late) | November 11 |
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 Shelbyville, TN
Frost dates for 37161 — Shelbyville, TN — last frost Apr 7, first frost Oct 29, zone 7b. whenisthelastfrost.com
Crop
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Start indoors: Jan 13 to Jan 27Transplant outside: Mar 10 to Mar 24
Start indoors: Jan 27 to Feb 10Transplant outside: Apr 21 to May 5
Start indoors: Jan 27 to Feb 10Transplant outside: Apr 21 to May 5
Start indoors: Feb 10 to Feb 24Transplant outside: Apr 14 to Apr 28
Start indoors: Feb 10 to Feb 24Transplant outside: Mar 17 to Mar 31Sow outdoors: Mar 10 to Apr 14Plant for fall: Sep 3 to Oct 1
Start indoors: Feb 10 to Feb 24Transplant outside: Mar 10 to Mar 24Sow outdoors: Mar 10 to Mar 24Plant for fall: Aug 20 to Sep 10
Start indoors: Feb 10 to Feb 24Transplant outside: Mar 24 to Apr 7Plant for fall: Jul 23 to Aug 13
Start indoors: Feb 10 to Feb 24Transplant outside: Mar 17 to Mar 31Plant for fall: Jul 23 to Aug 13
Start indoors: Feb 10 to Feb 24Transplant outside: Mar 24 to Apr 7Plant for fall: Jul 23 to Aug 13
Start indoors: Feb 24 to Mar 10Transplant outside: Apr 28 to May 12Sow outdoors: Apr 28 to May 12
Start indoors: Feb 24 to Mar 10Transplant outside: Apr 14 to Apr 28
Sow outdoors: Feb 24 to Mar 17Plant for fall: Aug 6 to Aug 27
Sow outdoors: Feb 24 to Mar 17Plant for fall: Sep 3 to Sep 24
Sow outdoors: Mar 3 to Apr 14Plant for fall: Sep 17 to Oct 8
Start indoors: Mar 10 to Mar 17Transplant outside: Apr 21 to Apr 28Sow outdoors: Apr 14 to Apr 28Plant for fall: Aug 13 to Aug 27
Start indoors: Mar 10 to Mar 17Sow outdoors: Apr 14 to Apr 28Plant for fall: Aug 20 to Sep 3
Start indoors: Mar 10 to Mar 17Sow outdoors: Apr 14 to Apr 28
Start indoors: Mar 10 to Mar 17Transplant outside: Apr 21 to May 5
Sow outdoors: Mar 17 to Apr 14Plant for fall: Aug 6 to Aug 20
Sow outdoors: Mar 17 to Apr 14Plant for fall: Aug 20 to Sep 3
Sow outdoors: Mar 17 to Apr 7
Sow outdoors: Mar 24 to Apr 21Plant for fall: Aug 20 to Sep 3
Sow outdoors: Mar 24 to Apr 14Plant for fall: Sep 3 to Sep 24
Sow outdoors: Apr 14 to May 5Plant for fall: Aug 13 to Aug 27
Sow outdoors: Apr 14 to Apr 28
Transplant outside: Apr 21 to May 12
Plant for fall: Oct 15 to Nov 19
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Shelbyville, 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 3 – Oct 1 |
| Kale | Feb 10 – Feb 24 | Mar 10 – Mar 24 | Mar 10 – Mar 24 | Aug 20 – Sep 10 |
| Broccoli | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 23 – Aug 13 |
| Cabbage | Feb 10 – Feb 24 | Mar 17 – Mar 31 | — | Jul 23 – Aug 13 |
| Cauliflower | Feb 10 – Feb 24 | Mar 24 – Apr 7 | — | Jul 23 – Aug 13 |
| 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 6 – Aug 27 |
| Spinach | — | — | Feb 24 – Mar 17 | Sep 3 – Sep 24 |
| Radishes | — | — | Mar 3 – Apr 14 | Sep 17 – Oct 8 |
| Cucumbers | Mar 10 – Mar 17 | Apr 21 – Apr 28 | Apr 14 – Apr 28 | Aug 13 – Aug 27 |
| Zucchini & Summer Squash | Mar 10 – Mar 17 | — | Apr 14 – Apr 28 | Aug 20 – Sep 3 |
| 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 6 – Aug 20 |
| Beets | — | — | Mar 17 – Apr 14 | Aug 20 – Sep 3 |
| Potatoes | — | — | Mar 17 – Apr 7 | — |
| Swiss Chard | — | — | Mar 24 – Apr 21 | Aug 20 – Sep 3 |
| Cilantro | — | — | Mar 24 – Apr 14 | Sep 3 – Sep 24 |
| Green Beans | — | — | Apr 14 – May 5 | Aug 13 – Aug 27 |
| Sweet Corn | — | — | Apr 14 – Apr 28 | — |
| Sweet Potatoes | — | Apr 21 – May 12 | — | — |
| 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 Shelbyville Water Dept, TN weather station, 2 km away (elevation 761 ft (232 m)).
ZIP codes in Shelbyville: 37160 37161 37162
Frost dates near Shelbyville
- Wartrace Apr 1 · Nov 2
- Unionville Apr 14 · Oct 25
- Bell Buckle Apr 14 · Oct 25
- Normandy Apr 6 · Oct 30
- Fosterville Apr 14 · Oct 25
- Belfast Apr 14 · Oct 22
- Lynchburg Apr 15 · Oct 25
- Christiana Apr 14 · Oct 25
Frequently asked questions
When is the last frost in Shelbyville, TN?
The median last spring frost in Shelbyville, 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 Shelbyville, TN?
The median first fall frost is October 29, with about a 10% chance of frost before October 16.
How long is the growing season in Shelbyville, TN?
About 205 days between the median last spring frost and first fall frost.
What planting zone is Shelbyville, TN?
Shelbyville, TN is in USDA hardiness zone 7b.