Highlands, NC frost dates
How Highlands compares
- In 8 years out of 10, the last spring frost in Highlands falls between April 13 and May 17, a 34-day window. The first fall frost falls between October 3 and October 29.
- The median last frost is 29 days later than the North Carolina median of Apr 1.
- Its 168-day growing season is longer than 4% of the 759 North Carolina places with a regular frost season (state median 218 days).
- The last frost is 14 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 Greenville, SC, 77 km away, the last frost here is 33 days later than there and the growing season is 56 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 13 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 17 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 3 |
| 50% (median) | October 15 |
| 90% (late) | October 29 |
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 Highlands, NC
Highlands, NC frost dates — last frost Apr 30, first frost Oct 15, zone 7a. whenisthelastfrost.com
When to plant vegetables in Highlands, NC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 5 – Feb 19 | Apr 2 – Apr 16 | — | — |
| Peppers | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Eggplant | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Tomatoes | Mar 5 – Mar 19 | May 7 – May 21 | — | — |
| Lettuce | Mar 5 – Mar 19 | Apr 9 – Apr 23 | Apr 2 – May 7 | Aug 20 – Sep 17 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 6 – Aug 27 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 9 – Jul 30 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 9 – Jul 30 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 9 – Jul 30 |
| Okra | Mar 19 – Apr 2 | May 21 – Jun 4 | May 21 – Jun 4 | — |
| Basil | Mar 19 – Apr 2 | May 7 – May 21 | — | — |
| Peas | — | — | Mar 19 – Apr 9 | Jul 23 – Aug 13 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 20 – Sep 10 |
| Radishes | — | — | Mar 26 – May 7 | Sep 3 – Sep 24 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Jul 30 – Aug 13 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 6 – Aug 20 |
| Winter Squash & Pumpkins | Apr 2 – Apr 9 | — | May 7 – May 21 | — |
| Melons & Watermelon | Apr 2 – Apr 9 | May 14 – May 28 | — | — |
| Carrots | — | — | Apr 9 – May 7 | Jul 23 – Aug 6 |
| Beets | — | — | Apr 9 – May 7 | Aug 6 – Aug 20 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 6 – Aug 20 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 20 – Sep 10 |
| Green Beans | — | — | May 7 – May 28 | Jul 30 – Aug 13 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Oct 1 – Nov 5 |
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 Highlands, NC weather station, 2 km away (elevation 3,852 ft (1,174 m)).
Frost dates near Highlands
- Scaly Mountain Apr 23 · Oct 17
- Cashiers Apr 30 · Oct 15
- Otto Apr 23 · Oct 17
- Glenville Apr 19 · Oct 22
- Sapphire Apr 15 · Oct 26
- Franklin Apr 17 · Oct 23
- Cullowhee Apr 19 · Oct 22
- Tuckasegee Apr 19 · Oct 22
- Lake Toxaway Apr 15 · Oct 26
- Webster Apr 19 · Oct 22
Frequently asked questions
When is the last frost in Highlands, NC?
The median last spring frost in Highlands, NC is April 30. There is still about a 10% chance of frost after May 17, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Highlands, NC?
The median first fall frost is October 15, with about a 10% chance of frost before October 3.
How long is the growing season in Highlands, NC?
About 168 days between the median last spring frost and first fall frost.
What planting zone is Highlands, NC?
Highlands, NC is in USDA hardiness zone 7a.