Winnabow, NC frost dates
How Winnabow compares
- In 8 years out of 10, the last spring frost in Winnabow falls between February 28 and April 8, a 39-day window. The first fall frost falls between November 2 and December 1.
- The median last frost is 12 days earlier than the North Carolina median of Apr 1.
- Its 240-day growing season is longer than 93% of the 759 North Carolina places with a regular frost season (state median 218 days).
- The last frost is 4 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 41 nights a year at or below 32°F.
- Winnabow shares its weather station with Wilmington, NC, 16 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 28 |
| 50% (median) | March 20 |
| 10% (safe for tender plants) | April 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 2 |
| 50% (median) | November 15 |
| 90% (late) | December 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 Winnabow, NC
Winnabow, NC frost dates — last frost Mar 20, first frost Nov 15, zone 8b. whenisthelastfrost.com
When to plant vegetables in Winnabow, NC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 26 – Jan 9 | Feb 20 – Mar 6 | — | — |
| Peppers | Jan 9 – Jan 23 | Apr 3 – Apr 17 | — | — |
| Eggplant | Jan 9 – Jan 23 | Apr 3 – Apr 17 | — | — |
| Tomatoes | Jan 23 – Feb 6 | Mar 27 – Apr 10 | — | — |
| Lettuce | Jan 23 – Feb 6 | Feb 27 – Mar 13 | Feb 20 – Mar 27 | Sep 20 – Oct 18 |
| Kale | Jan 23 – Feb 6 | Feb 20 – Mar 6 | Feb 20 – Mar 6 | Sep 6 – Sep 27 |
| Broccoli | Jan 23 – Feb 6 | Mar 6 – Mar 20 | — | Aug 9 – Aug 30 |
| Cabbage | Jan 23 – Feb 6 | Feb 27 – Mar 13 | — | Aug 9 – Aug 30 |
| Cauliflower | Jan 23 – Feb 6 | Mar 6 – Mar 20 | — | Aug 9 – Aug 30 |
| Okra | Feb 6 – Feb 20 | Apr 10 – Apr 24 | Apr 10 – Apr 24 | — |
| Basil | Feb 6 – Feb 20 | Mar 27 – Apr 10 | — | — |
| Peas | — | — | Feb 6 – Feb 27 | Aug 23 – Sep 13 |
| Spinach | — | — | Feb 6 – Feb 27 | Sep 20 – Oct 11 |
| Radishes | — | — | Feb 13 – Mar 27 | Oct 4 – Oct 25 |
| Cucumbers | Feb 20 – Feb 27 | Apr 3 – Apr 10 | Mar 27 – Apr 10 | Aug 30 – Sep 13 |
| Zucchini & Summer Squash | Feb 20 – Feb 27 | — | Mar 27 – Apr 10 | Sep 6 – Sep 20 |
| Winter Squash & Pumpkins | Feb 20 – Feb 27 | — | Mar 27 – Apr 10 | — |
| Melons & Watermelon | Feb 20 – Feb 27 | Apr 3 – Apr 17 | — | — |
| Carrots | — | — | Feb 27 – Mar 27 | Aug 23 – Sep 6 |
| Beets | — | — | Feb 27 – Mar 27 | Sep 6 – Sep 20 |
| Potatoes | — | — | Feb 27 – Mar 20 | — |
| Swiss Chard | — | — | Mar 6 – Apr 3 | Sep 6 – Sep 20 |
| Cilantro | — | — | Mar 6 – Mar 27 | Sep 20 – Oct 11 |
| Green Beans | — | — | Mar 27 – Apr 17 | Aug 30 – Sep 13 |
| Sweet Corn | — | — | Mar 27 – Apr 10 | — |
| Sweet Potatoes | — | Apr 3 – Apr 24 | — | — |
| Garlic | — | — | — | Nov 1 – Dec 6 |
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 Wilmington 7 Se, NC weather station, 16 km away (elevation 30 ft (9 m)).
Frost dates near Winnabow
- Leland Mar 29 · Nov 8
- Wilmington Mar 20 · Nov 15
- Bolivia Mar 24 · Nov 17
- Carolina Beach Mar 24 · Nov 17
- Southport Mar 24 · Nov 17
- Kure Beach Mar 24 · Nov 17
- Castle Hayne Mar 29 · Nov 8
- Delco Mar 27 · Nov 8
- Wrightsville Beach Mar 19 · Nov 20
- Supply Mar 20 · Nov 17
Frequently asked questions
When is the last frost in Winnabow, NC?
The median last spring frost in Winnabow, NC is March 20. There is still about a 10% chance of frost after April 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Winnabow, NC?
The median first fall frost is November 15, with about a 10% chance of frost before November 2.
How long is the growing season in Winnabow, NC?
About 240 days between the median last spring frost and first fall frost.
What planting zone is Winnabow, NC?
Winnabow, NC is in USDA hardiness zone 8b.