Green Mountain, NC frost dates
How Green Mountain compares
- In 8 years out of 10, the last spring frost in Green Mountain falls between April 5 and May 13, a 38-day window. The first fall frost falls between October 7 and November 3.
- The median last frost is 23 days later than the North Carolina median of Apr 1.
- Its 178-day growing season is longer than 6% of the 759 North Carolina places with a regular frost season (state median 218 days).
- The last frost is 8 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 96 nights a year at or below 32°F.
- Compared with Johnson City, TN, 37 km away, the last frost here is 3 days later than there and the growing season is 7 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 5 |
| 50% (median) | April 24 |
| 10% (safe for tender plants) | May 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 7 |
| 50% (median) | October 19 |
| 90% (late) | November 3 |
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 Green Mountain, NC
Green Mountain, NC frost dates — last frost Apr 24, first frost Oct 19, zone 7a. whenisthelastfrost.com
When to plant vegetables in Green Mountain, NC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 30 – Feb 13 | Mar 27 – Apr 10 | — | — |
| Peppers | Feb 13 – Feb 27 | May 8 – May 22 | — | — |
| Eggplant | Feb 13 – Feb 27 | May 8 – May 22 | — | — |
| Tomatoes | Feb 27 – Mar 13 | May 1 – May 15 | — | — |
| Lettuce | Feb 27 – Mar 13 | Apr 3 – Apr 17 | Mar 27 – May 1 | Aug 24 – Sep 21 |
| Kale | Feb 27 – Mar 13 | Mar 27 – Apr 10 | Mar 27 – Apr 10 | Aug 10 – Aug 31 |
| Broccoli | Feb 27 – Mar 13 | Apr 10 – Apr 24 | — | Jul 13 – Aug 3 |
| Cabbage | Feb 27 – Mar 13 | Apr 3 – Apr 17 | — | Jul 13 – Aug 3 |
| Cauliflower | Feb 27 – Mar 13 | Apr 10 – Apr 24 | — | Jul 13 – Aug 3 |
| Okra | Mar 13 – Mar 27 | May 15 – May 29 | May 15 – May 29 | — |
| Basil | Mar 13 – Mar 27 | May 1 – May 15 | — | — |
| Peas | — | — | Mar 13 – Apr 3 | Jul 27 – Aug 17 |
| Spinach | — | — | Mar 13 – Apr 3 | Aug 24 – Sep 14 |
| Radishes | — | — | Mar 20 – May 1 | Sep 7 – Sep 28 |
| Cucumbers | Mar 27 – Apr 3 | May 8 – May 15 | May 1 – May 15 | Aug 3 – Aug 17 |
| Zucchini & Summer Squash | Mar 27 – Apr 3 | — | May 1 – May 15 | Aug 10 – Aug 24 |
| Winter Squash & Pumpkins | Mar 27 – Apr 3 | — | May 1 – May 15 | — |
| Melons & Watermelon | Mar 27 – Apr 3 | May 8 – May 22 | — | — |
| Carrots | — | — | Apr 3 – May 1 | Jul 27 – Aug 10 |
| Beets | — | — | Apr 3 – May 1 | Aug 10 – Aug 24 |
| Potatoes | — | — | Apr 3 – Apr 24 | — |
| Swiss Chard | — | — | Apr 10 – May 8 | Aug 10 – Aug 24 |
| Cilantro | — | — | Apr 10 – May 1 | Aug 24 – Sep 14 |
| Green Beans | — | — | May 1 – May 22 | Aug 3 – Aug 17 |
| Sweet Corn | — | — | May 1 – May 15 | — |
| Sweet Potatoes | — | May 8 – May 29 | — | — |
| 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 Burnsville Ag, NC weather station, 8 km away (elevation 2,825 ft (861 m)).
Frost dates near Green Mountain
- Bakersville Apr 24 · Oct 19
- Micaville Apr 24 · Oct 19
- Burnsville Apr 24 · Oct 19
- Penland Apr 26 · Oct 20
- Spruce Pine Apr 26 · Oct 20
- Little Switzerland Apr 26 · Oct 15
- Plumtree Apr 26 · Oct 20
- Minneapolis Apr 30 · Oct 12
- Mars Hill Apr 28 · Oct 18
- Linville Falls Apr 26 · Oct 20
Frequently asked questions
When is the last frost in Green Mountain, NC?
The median last spring frost in Green Mountain, NC is April 24. There is still about a 10% chance of frost after May 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Green Mountain, NC?
The median first fall frost is October 19, with about a 10% chance of frost before October 7.
How long is the growing season in Green Mountain, NC?
About 178 days between the median last spring frost and first fall frost.
What planting zone is Green Mountain, NC?
Green Mountain, NC is in USDA hardiness zone 7a.