Gastonia, NC planting zone & frost dates
Gastonia is in USDA hardiness zone 8a. The last spring frost usually comes around March 27 and the first fall frost around November 9, for a growing season of about 228 days.
Planting calendar for Gastonia
Dates are counted from the average last spring frost (March 27) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Jan 30 – Feb 13 Transplant outdoors: Apr 3 – Apr 10 |
| Peppers | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Apr 10 – Apr 17 |
| Eggplant | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Apr 10 – Apr 17 |
| Broccoli | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Feb 27 – Mar 13 |
| Cabbage | Start seeds indoors: Jan 16 – Jan 30 Transplant outdoors: Feb 27 – Mar 13 |
| Onions (sets) | Plant outdoors: Feb 27 – Mar 13 |
| Peas | Sow outdoors: Feb 13 – Feb 27 |
| Spinach | Sow outdoors: Feb 13 – Feb 27 |
| Lettuce | Sow outdoors: Feb 27 – Mar 13 |
| Carrots | Sow outdoors: Feb 27 – Mar 13 |
| Potatoes | Plant outdoors: Feb 27 – Mar 13 |
| Beans | Sow outdoors: Apr 3 – Apr 10 |
| Sweet corn | Sow outdoors: Apr 3 – Apr 10 |
| Cucumbers | Sow outdoors: Apr 3 – Apr 10 |
| Squash & zucchini | Sow outdoors: Apr 3 – Apr 10 |
| Basil | Start seeds indoors: Feb 13 – Feb 27 Transplant outdoors: Apr 3 – Apr 10 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 14 (8 weeks before the average first fall frost on Nov 9).
Useful for zone 8a gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Mar 9 | Mar 27 | Apr 9 |
| First 32°F frost in fall is before | Nov 26 | Nov 9 | Oct 28 |
How to read it: in spring there is a 10% chance of a frost after April 9, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 28. A hard freeze (28°F) usually ends around March 15.
Hardiness zone by ZIP code in Gastonia
- 28052 zone 8a
- 28053 zone 8a
- 28054 zone 8a
- 28055 zone 8a
- 28056 zone 8a
Nearby cities
- Belmont zone 8a, last frost Mar 30
- Kings Mountain zone 8a, last frost Mar 24
- Mount Holly zone 8a, last frost Mar 30
- Lincolnton zone 8a, last frost Apr 9
- Charlotte zone 8a, last frost Mar 30
- Shelby zone 8a, last frost Apr 12
- Huntersville zone 8a, last frost Mar 30
- Cornelius zone 8a, last frost Apr 1
Questions
What growing zone is Gastonia, NC?
Gastonia is in USDA Plant Hardiness Zone 8a (average extreme winter low 10°F to 15°F), according to the USDA 2023 map.
When is the last frost in Gastonia?
The average last spring frost (32°F) in Gastonia is March 27. There is still a 10% chance of frost until April 9.
When can I plant tomatoes in Gastonia?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 3 – Apr 10. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Gastonia, NC (USC00313356), 4.0 km (2.5 mi) from the city center, elevation 213 m, based on 24 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.