Mills River, NC frost dates
How Mills River compares
- In 8 years out of 10, the last spring frost in Mills River falls between March 31 and May 4, a 34-day window. The first fall frost falls between October 10 and November 4.
- The median last frost is 16 days later than the North Carolina median of Apr 1.
- Its 189-day growing season is longer than 12% of the 759 North Carolina places with a regular frost season (state median 218 days).
- The last frost is 12 days later 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 96 nights a year at or below 32°F.
- Compared with Asheville, NC, 23 km away, the last frost here is 11 days later than there and the growing season is 19 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 31 |
| 50% (median) | April 17 |
| 10% (safe for tender plants) | May 4 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 10 |
| 50% (median) | October 23 |
| 90% (late) | November 4 |
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 Mills River, NC
Mills River, NC frost dates — last frost Apr 17, first frost Oct 23, zone 7b. whenisthelastfrost.com
When to plant vegetables in Mills River, NC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 23 – Feb 6 | Mar 20 – Apr 3 | — | — |
| Peppers | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Eggplant | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Tomatoes | Feb 20 – Mar 6 | Apr 24 – May 8 | — | — |
| Lettuce | Feb 20 – Mar 6 | Mar 27 – Apr 10 | Mar 20 – Apr 24 | Aug 28 – Sep 25 |
| Kale | Feb 20 – Mar 6 | Mar 20 – Apr 3 | Mar 20 – Apr 3 | Aug 14 – Sep 4 |
| Broccoli | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 17 – Aug 7 |
| Cabbage | Feb 20 – Mar 6 | Mar 27 – Apr 10 | — | Jul 17 – Aug 7 |
| Cauliflower | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 17 – Aug 7 |
| Okra | Mar 6 – Mar 20 | May 8 – May 22 | May 8 – May 22 | — |
| Basil | Mar 6 – Mar 20 | Apr 24 – May 8 | — | — |
| Peas | — | — | Mar 6 – Mar 27 | Jul 31 – Aug 21 |
| Spinach | — | — | Mar 6 – Mar 27 | Aug 28 – Sep 18 |
| Radishes | — | — | Mar 13 – Apr 24 | Sep 11 – Oct 2 |
| Cucumbers | Mar 20 – Mar 27 | May 1 – May 8 | Apr 24 – May 8 | Aug 7 – Aug 21 |
| Zucchini & Summer Squash | Mar 20 – Mar 27 | — | Apr 24 – May 8 | Aug 14 – Aug 28 |
| Winter Squash & Pumpkins | Mar 20 – Mar 27 | — | Apr 24 – May 8 | — |
| Melons & Watermelon | Mar 20 – Mar 27 | May 1 – May 15 | — | — |
| Carrots | — | — | Mar 27 – Apr 24 | Jul 31 – Aug 14 |
| Beets | — | — | Mar 27 – Apr 24 | Aug 14 – Aug 28 |
| Potatoes | — | — | Mar 27 – Apr 17 | — |
| Swiss Chard | — | — | Apr 3 – May 1 | Aug 14 – Aug 28 |
| Cilantro | — | — | Apr 3 – Apr 24 | Aug 28 – Sep 18 |
| Green Beans | — | — | Apr 24 – May 15 | Aug 7 – Aug 21 |
| Sweet Corn | — | — | Apr 24 – May 8 | — |
| Sweet Potatoes | — | May 1 – May 22 | — | — |
| Garlic | — | — | — | Oct 9 – Nov 13 |
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 Asheville 13 S, NC weather station, 3 km away (elevation 2,103 ft (641 m)).
Frost dates near Mills River
- Horse Shoe Apr 17 · Oct 23
- Mountain Home Apr 14 · Oct 25
- Naples Apr 14 · Oct 25
- Arden Apr 9 · Oct 28
- Etowah Apr 19 · Oct 23
- Fletcher Apr 9 · Oct 28
- Hendersonville Apr 14 · Oct 25
- Skyland Apr 9 · Oct 28
- Penrose Apr 19 · Oct 23
- Pisgah Forest Apr 19 · Oct 23
Frequently asked questions
When is the last frost in Mills River, NC?
The median last spring frost in Mills River, NC is April 17. There is still about a 10% chance of frost after May 4, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Mills River, NC?
The median first fall frost is October 23, with about a 10% chance of frost before October 10.
How long is the growing season in Mills River, NC?
About 189 days between the median last spring frost and first fall frost.
What planting zone is Mills River, NC?
Mills River, NC is in USDA hardiness zone 7b.