Arthur, TN frost dates
How Arthur compares
- In 8 years out of 10, the last spring frost in Arthur falls between April 9 and May 11, a 32-day window. The first fall frost falls between October 8 and November 1.
- The median last frost is 16 days later than the Tennessee median of Apr 7.
- Its 179-day growing season is longer than 3% of the 548 Tennessee places with a regular frost season (state median 206 days).
- The last frost is 7 days later 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 115 nights a year at or below 32°F.
- Compared with Knoxville, TN, 69 km away, the last frost here is 12 days later than there and the growing season is 21 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 9 |
| 50% (median) | April 23 |
| 10% (safe for tender plants) | May 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 8 |
| 50% (median) | October 19 |
| 90% (late) | November 1 |
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 Arthur, TN
Arthur, TN frost dates — last frost Apr 23, first frost Oct 19, zone 7a. whenisthelastfrost.com
When to plant vegetables in Arthur, TN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 29 – Feb 12 | Mar 26 – Apr 9 | — | — |
| Peppers | Feb 12 – Feb 26 | May 7 – May 21 | — | — |
| Eggplant | Feb 12 – Feb 26 | May 7 – May 21 | — | — |
| Tomatoes | Feb 26 – Mar 12 | Apr 30 – May 14 | — | — |
| Lettuce | Feb 26 – Mar 12 | Apr 2 – Apr 16 | Mar 26 – Apr 30 | Aug 24 – Sep 21 |
| Kale | Feb 26 – Mar 12 | Mar 26 – Apr 9 | Mar 26 – Apr 9 | Aug 10 – Aug 31 |
| Broccoli | Feb 26 – Mar 12 | Apr 9 – Apr 23 | — | Jul 13 – Aug 3 |
| Cabbage | Feb 26 – Mar 12 | Apr 2 – Apr 16 | — | Jul 13 – Aug 3 |
| Cauliflower | Feb 26 – Mar 12 | Apr 9 – Apr 23 | — | Jul 13 – Aug 3 |
| Okra | Mar 12 – Mar 26 | May 14 – May 28 | May 14 – May 28 | — |
| Basil | Mar 12 – Mar 26 | Apr 30 – May 14 | — | — |
| Peas | — | — | Mar 12 – Apr 2 | Jul 27 – Aug 17 |
| Spinach | — | — | Mar 12 – Apr 2 | Aug 24 – Sep 14 |
| Radishes | — | — | Mar 19 – Apr 30 | Sep 7 – Sep 28 |
| Cucumbers | Mar 26 – Apr 2 | May 7 – May 14 | Apr 30 – May 14 | Aug 3 – Aug 17 |
| Zucchini & Summer Squash | Mar 26 – Apr 2 | — | Apr 30 – May 14 | Aug 10 – Aug 24 |
| Winter Squash & Pumpkins | Mar 26 – Apr 2 | — | Apr 30 – May 14 | — |
| Melons & Watermelon | Mar 26 – Apr 2 | May 7 – May 21 | — | — |
| Carrots | — | — | Apr 2 – Apr 30 | Jul 27 – Aug 10 |
| Beets | — | — | Apr 2 – Apr 30 | Aug 10 – Aug 24 |
| Potatoes | — | — | Apr 2 – Apr 23 | — |
| Swiss Chard | — | — | Apr 9 – May 7 | Aug 10 – Aug 24 |
| Cilantro | — | — | Apr 9 – Apr 30 | Aug 24 – Sep 14 |
| Green Beans | — | — | Apr 30 – May 21 | Aug 3 – Aug 17 |
| Sweet Corn | — | — | Apr 30 – May 14 | — |
| Sweet Potatoes | — | May 7 – May 28 | — | — |
| Garlic | — | — | — | Oct 5 – Nov 9 |
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 Tazewell, TN weather station, 14 km away (elevation 1,365 ft (416 m)).
Frost dates near Arthur
- Cumberland Gap Apr 23 · Oct 19
- Shawanee Apr 23 · Oct 19
- Harrogate Apr 23 · Oct 19
- New Tazewell Apr 23 · Oct 19
- Tazewell Apr 23 · Oct 19
- Speedwell Apr 23 · Oct 19
- Lone Mountain Apr 23 · Oct 19
- Pruden Apr 18 · Oct 24
- Sharps Chapel Apr 23 · Oct 19
- Clairfield Apr 18 · Oct 24
Frequently asked questions
When is the last frost in Arthur, TN?
The median last spring frost in Arthur, TN is April 23. There is still about a 10% chance of frost after May 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Arthur, TN?
The median first fall frost is October 19, with about a 10% chance of frost before October 8.
How long is the growing season in Arthur, TN?
About 179 days between the median last spring frost and first fall frost.
What planting zone is Arthur, TN?
Arthur, TN is in USDA hardiness zone 7a.