Harmony, NC frost dates
How Harmony compares
- In 8 years out of 10, the last spring frost in Harmony falls between April 2 and May 1, a 29-day window. The first fall frost falls between October 13 and November 5.
- The median last frost is 15 days later than the North Carolina median of Apr 1.
- Its 192-day growing season is longer than 14% of the 759 North Carolina places with a regular frost season (state median 218 days).
- The last frost is 11 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 99 nights a year at or below 32°F.
- Compared with Winston-Salem, NC, 48 km away, the last frost here is 21 days later than there and the growing season is 36 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 2 |
| 50% (median) | April 16 |
| 10% (safe for tender plants) | May 1 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 13 |
| 50% (median) | October 25 |
| 90% (late) | November 5 |
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 Harmony, NC
Harmony, NC frost dates — last frost Apr 16, first frost Oct 25, zone 7b. whenisthelastfrost.com
When to plant vegetables in Harmony, NC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 22 – Feb 5 | Mar 19 – Apr 2 | — | — |
| Peppers | Feb 5 – Feb 19 | Apr 30 – May 14 | — | — |
| Eggplant | Feb 5 – Feb 19 | Apr 30 – May 14 | — | — |
| Tomatoes | Feb 19 – Mar 5 | Apr 23 – May 7 | — | — |
| Lettuce | Feb 19 – Mar 5 | Mar 26 – Apr 9 | Mar 19 – Apr 23 | Aug 30 – Sep 27 |
| Kale | Feb 19 – Mar 5 | Mar 19 – Apr 2 | Mar 19 – Apr 2 | Aug 16 – Sep 6 |
| Broccoli | Feb 19 – Mar 5 | Apr 2 – Apr 16 | — | Jul 19 – Aug 9 |
| Cabbage | Feb 19 – Mar 5 | Mar 26 – Apr 9 | — | Jul 19 – Aug 9 |
| Cauliflower | Feb 19 – Mar 5 | Apr 2 – Apr 16 | — | Jul 19 – Aug 9 |
| Okra | Mar 5 – Mar 19 | May 7 – May 21 | May 7 – May 21 | — |
| Basil | Mar 5 – Mar 19 | Apr 23 – May 7 | — | — |
| Peas | — | — | Mar 5 – Mar 26 | Aug 2 – Aug 23 |
| Spinach | — | — | Mar 5 – Mar 26 | Aug 30 – Sep 20 |
| Radishes | — | — | Mar 12 – Apr 23 | Sep 13 – Oct 4 |
| Cucumbers | Mar 19 – Mar 26 | Apr 30 – May 7 | Apr 23 – May 7 | Aug 9 – Aug 23 |
| Zucchini & Summer Squash | Mar 19 – Mar 26 | — | Apr 23 – May 7 | Aug 16 – Aug 30 |
| Winter Squash & Pumpkins | Mar 19 – Mar 26 | — | Apr 23 – May 7 | — |
| Melons & Watermelon | Mar 19 – Mar 26 | Apr 30 – May 14 | — | — |
| Carrots | — | — | Mar 26 – Apr 23 | Aug 2 – Aug 16 |
| Beets | — | — | Mar 26 – Apr 23 | Aug 16 – Aug 30 |
| Potatoes | — | — | Mar 26 – Apr 16 | — |
| Swiss Chard | — | — | Apr 2 – Apr 30 | Aug 16 – Aug 30 |
| Cilantro | — | — | Apr 2 – Apr 23 | Aug 30 – Sep 20 |
| Green Beans | — | — | Apr 23 – May 14 | Aug 9 – Aug 23 |
| Sweet Corn | — | — | Apr 23 – May 7 | — |
| Sweet Potatoes | — | Apr 30 – May 21 | — | — |
| Garlic | — | — | — | Oct 11 – Nov 15 |
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 Statesville 2 Nne, NC weather station, 20 km away (elevation 804 ft (245 m)).
Frost dates near Harmony
- Turnersburg Apr 16 · Oct 25
- Olin Apr 16 · Oct 25
- Union Grove Apr 15 · Oct 26
- Hamptonville Apr 15 · Oct 26
- Statesville Apr 16 · Oct 25
- Mocksville Apr 15 · Oct 25
- Yadkinville Apr 16 · Oct 25
- Woodleaf Apr 9 · Oct 28
- Cooleemee Apr 15 · Oct 25
- Cleveland Apr 9 · Oct 28
Frequently asked questions
When is the last frost in Harmony, NC?
The median last spring frost in Harmony, NC is April 16. There is still about a 10% chance of frost after May 1, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Harmony, NC?
The median first fall frost is October 25, with about a 10% chance of frost before October 13.
How long is the growing season in Harmony, NC?
About 192 days between the median last spring frost and first fall frost.
What planting zone is Harmony, NC?
Harmony, NC is in USDA hardiness zone 7b.