Mason, TN frost dates
Last spring frostMar 27median date
First fall frostNov 4median date
Growing season222 daysfrost-free
Hardiness zone8aZone 8a
How Mason compares
- In 8 years out of 10, the last spring frost in Mason falls between March 8 and April 11, a 34-day window. The first fall frost falls between October 23 and November 21.
- The median last frost is 11 days earlier than the Tennessee median of Apr 7.
- Its 222-day growing season is longer than 96% of the 548 Tennessee places with a regular frost season (state median 206 days).
- The last frost is typical for zone 8a, where the median is Mar 29.
- The weather station records an average of 70 nights a year at or below 32°F.
- Compared with Cordova, TN, 37 km away, the last frost here is 2 days earlier than there and the growing season is 1 day longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 8 |
| 50% (median) | March 27 |
| 10% (safe for tender plants) | April 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 23 |
| 50% (median) | November 4 |
| 90% (late) | November 21 |
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 Mason, TN
Mason, TN frost dates — last frost Mar 27, first frost Nov 4, zone 8a. whenisthelastfrost.com
Crop
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Start indoors: Jan 2 to Jan 16Transplant outside: Feb 27 to Mar 13
Start indoors: Jan 16 to Jan 30Transplant outside: Apr 10 to Apr 24
Start indoors: Jan 16 to Jan 30Transplant outside: Apr 10 to Apr 24
Start indoors: Jan 30 to Feb 13Transplant outside: Apr 3 to Apr 17
Start indoors: Jan 30 to Feb 13Transplant outside: Mar 6 to Mar 20Sow outdoors: Feb 27 to Apr 3Plant for fall: Sep 9 to Oct 7
Start indoors: Jan 30 to Feb 13Transplant outside: Feb 27 to Mar 13Sow outdoors: Feb 27 to Mar 13Plant for fall: Aug 26 to Sep 16
Start indoors: Jan 30 to Feb 13Transplant outside: Mar 13 to Mar 27Plant for fall: Jul 29 to Aug 19
Start indoors: Jan 30 to Feb 13Transplant outside: Mar 6 to Mar 20Plant for fall: Jul 29 to Aug 19
Start indoors: Jan 30 to Feb 13Transplant outside: Mar 13 to Mar 27Plant for fall: Jul 29 to Aug 19
Start indoors: Feb 13 to Feb 27Transplant outside: Apr 17 to May 1Sow outdoors: Apr 17 to May 1
Start indoors: Feb 13 to Feb 27Transplant outside: Apr 3 to Apr 17
Sow outdoors: Feb 13 to Mar 6Plant for fall: Aug 12 to Sep 2
Sow outdoors: Feb 13 to Mar 6Plant for fall: Sep 9 to Sep 30
Sow outdoors: Feb 20 to Apr 3Plant for fall: Sep 23 to Oct 14
Start indoors: Feb 27 to Mar 6Transplant outside: Apr 10 to Apr 17Sow outdoors: Apr 3 to Apr 17Plant for fall: Aug 19 to Sep 2
Start indoors: Feb 27 to Mar 6Sow outdoors: Apr 3 to Apr 17Plant for fall: Aug 26 to Sep 9
Start indoors: Feb 27 to Mar 6Sow outdoors: Apr 3 to Apr 17
Start indoors: Feb 27 to Mar 6Transplant outside: Apr 10 to Apr 24
Sow outdoors: Mar 6 to Apr 3Plant for fall: Aug 12 to Aug 26
Sow outdoors: Mar 6 to Apr 3Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 6 to Mar 27
Sow outdoors: Mar 13 to Apr 10Plant for fall: Aug 26 to Sep 9
Sow outdoors: Mar 13 to Apr 3Plant for fall: Sep 9 to Sep 30
Sow outdoors: Apr 3 to Apr 24Plant for fall: Aug 19 to Sep 2
Sow outdoors: Apr 3 to Apr 17
Transplant outside: Apr 10 to May 1
Plant for fall: Oct 21 to Nov 25
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Mason, TN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 2 – Jan 16 | Feb 27 – Mar 13 | — | — |
| Peppers | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Eggplant | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Tomatoes | Jan 30 – Feb 13 | Apr 3 – Apr 17 | — | — |
| Lettuce | Jan 30 – Feb 13 | Mar 6 – Mar 20 | Feb 27 – Apr 3 | Sep 9 – Oct 7 |
| Kale | Jan 30 – Feb 13 | Feb 27 – Mar 13 | Feb 27 – Mar 13 | Aug 26 – Sep 16 |
| Broccoli | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Jul 29 – Aug 19 |
| Cabbage | Jan 30 – Feb 13 | Mar 6 – Mar 20 | — | Jul 29 – Aug 19 |
| Cauliflower | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Jul 29 – Aug 19 |
| Okra | Feb 13 – Feb 27 | Apr 17 – May 1 | Apr 17 – May 1 | — |
| Basil | Feb 13 – Feb 27 | Apr 3 – Apr 17 | — | — |
| Peas | — | — | Feb 13 – Mar 6 | Aug 12 – Sep 2 |
| Spinach | — | — | Feb 13 – Mar 6 | Sep 9 – Sep 30 |
| Radishes | — | — | Feb 20 – Apr 3 | Sep 23 – Oct 14 |
| Cucumbers | Feb 27 – Mar 6 | Apr 10 – Apr 17 | Apr 3 – Apr 17 | Aug 19 – Sep 2 |
| Zucchini & Summer Squash | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | Aug 26 – Sep 9 |
| Winter Squash & Pumpkins | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | — |
| Melons & Watermelon | Feb 27 – Mar 6 | Apr 10 – Apr 24 | — | — |
| Carrots | — | — | Mar 6 – Apr 3 | Aug 12 – Aug 26 |
| Beets | — | — | Mar 6 – Apr 3 | Aug 26 – Sep 9 |
| Potatoes | — | — | Mar 6 – Mar 27 | — |
| Swiss Chard | — | — | Mar 13 – Apr 10 | Aug 26 – Sep 9 |
| Cilantro | — | — | Mar 13 – Apr 3 | Sep 9 – Sep 30 |
| Green Beans | — | — | Apr 3 – Apr 24 | Aug 19 – Sep 2 |
| Sweet Corn | — | — | Apr 3 – Apr 17 | — |
| Sweet Potatoes | — | Apr 10 – May 1 | — | — |
| Garlic | — | — | — | Oct 21 – Nov 25 |
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 Covington 3 Sw, TN weather station, 18 km away (elevation 384 ft (117 m)).
Frost dates near Mason
- Gallaway Mar 27 · Nov 4
- Covington Mar 27 · Nov 4
- Brighton Mar 27 · Nov 4
- Braden Mar 29 · Nov 3
- Stanton Mar 29 · Nov 5
- Atoka Mar 27 · Nov 4
- Somerville Mar 29 · Nov 3
- Oakland Mar 29 · Nov 3
- Arlington Mar 29 · Nov 5
- Tipton Mar 27 · Nov 4
Frequently asked questions
When is the last frost in Mason, TN?
The median last spring frost in Mason, TN is March 27. There is still about a 10% chance of frost after April 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Mason, TN?
The median first fall frost is November 4, with about a 10% chance of frost before October 23.
How long is the growing season in Mason, TN?
About 222 days between the median last spring frost and first fall frost.
What planting zone is Mason, TN?
Mason, TN is in USDA hardiness zone 8a.