Frost Dates & Planting Calendar for New Bern, NC
Plan your garden around New Bern, NC's typical frost-free growing season, using NOAA climate normals and a 42-crop planting calendar built for this location.
Last Spring Frost
March 23
Safe Apr 7
Typical Mar 23
Risky Mar 6
First Fall Frost
November 15
Safe Nov 1
Typical Nov 15
Risky Dec 1
Growing Season
237 days
Typical last frost to typical first frost.
USDA Hardiness Zone
Zone 8b
Mild winters and a long growing season, room for both cool- and warm-season crops.
Data: NOAA station NEW BERN CRAVEN CO AP, NC US, 4.5 km away.
—
days until the typical last spring frost
Monthly Temperatures
Avg. high
Avg. temp
Avg. low
Planting Calendar
| Crop | Start indoors | Direct sow | Transplant | Fall planting | Maturity | Notes |
|---|---|---|---|---|---|---|
| Tomato | Jan 26 – Feb 9 | — | Mar 30 – Apr 6 | — | 60–85 days | Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed. |
| Pepper | Jan 12 – Jan 26 | — | Mar 30 – Apr 13 | — | 60–90 days | Slow to germinate; start indoors 8-10 weeks before last frost. Transplant only once nights stay above 55F, 1-3 weeks after last frost. |
| Eggplant | Jan 12 – Jan 26 | — | Apr 6 – Apr 13 | — | 65–85 days | Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant. |
| Cucumber | Feb 23 – Mar 2 | Mar 30 – Apr 6 | Mar 30 – Apr 6 | — | 50–65 days | Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm. |
| Zucchini | Mar 2 – Mar 9 | Mar 30 – Apr 13 | Mar 30 – Apr 6 | — | 45–55 days | Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start. |
| Winter Squash | Feb 23 – Mar 2 | Mar 30 – Apr 13 | Mar 30 – Apr 6 | — | 80–110 days | Long season; direct sow after soil warms, or start indoors 3-4 weeks before last frost in short-season climates. |
| Pumpkin | — | Mar 30 – Apr 13 | — | — | 90–120 days | Direct sow 1-3 weeks after last frost; back-time from your first fall frost so the 90-120 day maturity window lands before it. |
| Watermelon | Feb 23 – Mar 2 | — | Apr 6 – Apr 13 | — | 70–90 days | Needs warm soil (65F+); start indoors 3-4 weeks before last frost, transplant 2-3 weeks after last frost. |
| Cantaloupe | Feb 23 – Mar 2 | — | Apr 6 – Apr 13 | — | 70–90 days | Same warm-soil requirements as watermelon; avoid disturbing roots when transplanting. |
| Corn | — | Mar 23 – Apr 6 | — | — | 60–100 days | Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks. |
| Green Bean | — | Mar 23 – Apr 6 | — | — | 50–65 days | Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush. |
| Pea | — | Feb 9 – Feb 23 | — | — | 55–70 days | Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked. |
| Lettuce | — | Feb 23 – Mar 9 | — | Sep 20 – Oct 4 | 45–60 days | Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts. |
| Spinach | — | Feb 9 – Feb 23 | — | Sep 20 – Oct 4 | 40–50 days | Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked. |
| Kale | — | Feb 23 – Mar 9 | — | Sep 6 – Sep 20 | 50–65 days | Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants. |
| Arugula | — | Feb 23 – Mar 9 | — | Oct 4 – Oct 11 | 30–40 days | Fast-growing, cold-tolerant green; direct sow 2-4 weeks before last frost, succession sow every 2-3 weeks. |
| Swiss Chard | — | Mar 2 – Mar 16 | — | — | 50–60 days | Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too. |
| Broccoli | Feb 2 – Feb 16 | — | Mar 2 – Mar 9 | Sep 13 – Sep 20 | 55–80 days | Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost). |
| Cauliflower | Feb 2 – Feb 16 | — | Mar 9 – Mar 16 | Sep 6 – Sep 13 | 55–85 days | Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost. |
| Cabbage | Feb 2 – Feb 16 | — | Feb 23 – Mar 9 | Sep 6 – Sep 20 | 60–100 days | Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost. |
| Brussels Sprouts | Feb 2 – Feb 16 | — | Mar 2 – Mar 16 | — | 90–110 days | Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost. |
| Carrot | — | Feb 23 – Mar 9 | — | Aug 23 – Sep 6 | 60–80 days | Direct sow only (does not transplant); sow 2-4 weeks before last frost, as soon as soil can be worked. |
| Beet | — | Feb 23 – Mar 9 | — | Sep 6 – Sep 20 | 50–65 days | Direct sow 2-4 weeks before last frost; tolerates light frost. |
| Radish | — | Feb 16 – Mar 2 | — | Oct 4 – Oct 18 | 22–30 days | Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked. |
| Turnip | — | Feb 23 – Mar 9 | — | Sep 6 – Sep 20 | 40–60 days | Cold-hardy; direct sow 2-4 weeks before last frost. |
| Onion | Jan 12 – Jan 26 | — | Feb 23 – Mar 9 | — | 90–120 days | Start seeds indoors 8-10 weeks before last frost (or use sets/transplants); set out 2-4 weeks before last frost, very cold-tolerant as seedlings. |
| Garlic | — | — | — | Oct 18 – Nov 1 | 240–270 days | Fall-planted crop only; not planted in spring in most climates. |
| Potato | — | Feb 23 – Mar 9 | — | — | 70–120 days | Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated. |
| Sweet Potato | — | — | Apr 6 – Apr 20 | — | 90–120 days | Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive. |
| Asparagus | — | — | Feb 23 – Mar 9 | — | 730–1095 days | Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production. |
| Crop | Start indoors | Direct sow | Transplant | Fall planting | Maturity | Notes |
|---|---|---|---|---|---|---|
| Basil | Feb 9 – Feb 16 | — | Mar 30 – Apr 6 | — | 50–70 days | Very frost/cold sensitive; start indoors 5-6 weeks before last frost, transplant only after all danger of frost (1-2 weeks after) and nights stay warm. |
| Cilantro | — | Mar 2 – Mar 16 | — | Sep 20 – Oct 4 | 45–70 days | Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring. |
| Parsley | Jan 26 – Feb 9 | — | Mar 9 – Mar 16 | — | 70–90 days | Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant). |
| Dill | — | Mar 2 – Mar 16 | — | — | 40–60 days | Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer. |
| Oregano | Jan 26 – Feb 9 | — | Mar 23 – Mar 30 | — | 80–90 days | Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date. |
| Thyme | Jan 26 – Feb 9 | — | Mar 23 – Mar 30 | — | 85–95 days | Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost. |
| Crop | Start indoors | Direct sow | Transplant | Fall planting | Maturity | Notes |
|---|---|---|---|---|---|---|
| Sunflower | — | Mar 30 – Apr 13 | — | — | 70–100 days | Direct sow 1-3 weeks after last frost once soil has warmed; taprooted, resents transplanting. |
| Zinnia | Feb 23 – Mar 2 | Mar 30 – Apr 13 | Mar 30 – Apr 6 | — | 60–70 days | Frost-tender; direct sow 1-3 weeks after last frost, or start indoors 3-4 weeks early for earlier blooms. |
| Marigold | Feb 9 – Feb 23 | — | Mar 30 – Apr 6 | — | 45–60 days | Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed. |
| Cosmos | Feb 23 – Mar 2 | Mar 30 – Apr 13 | Mar 30 – Apr 6 | — | 60–90 days | Easy from direct seed 1-3 weeks after last frost; can also start indoors 3-4 weeks early. |
| Nasturtium | — | Mar 30 – Apr 13 | — | — | 50–65 days | Frost-tender, resents root disturbance; direct sow 1-3 weeks after last frost once soil has warmed. |
| Dahlia | — | — | Mar 30 – Apr 13 | — | 90–120 days | Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive. |
Date ranges are estimates based on university extension guidelines and this city's NOAA frost normals — not a guarantee. Scroll to see all columns on narrow screens.
Frequently Asked Questions
When is the last frost in New Bern, NC?
Based on 1991–2020 NOAA climate normals for the NEW BERN CRAVEN CO AP, NC US station, the last spring frost in New Bern typically falls around March 23. A cautious gardener might wait until April 7 (only a 10% chance of a later frost), while March 6 marks an earlier, higher-risk planting date.
When is the first frost in New Bern, NC in fall?
The first fall frost in New Bern typically arrives around November 15. To stay safe, assume frost could start as early as November 1; in milder years it can hold off until December 1.
How long is the growing season in New Bern, NC?
New Bern's average frost-free growing season is about 237 days, running from the typical last spring frost (March 23) to the typical first fall frost (November 15).
What USDA hardiness zone is New Bern, NC in?
New Bern, NC is in USDA plant hardiness zone 8b, per the USDA's 2023 Plant Hardiness Zone Map. Mild winters and a long growing season, room for both cool- and warm-season crops.