Shelby, NC planting zone & frost dates
Shelby is in USDA hardiness zone 8a. The last spring frost usually comes around April 12 and the first fall frost around October 25, for a growing season of about 195 days.
Planting calendar for Shelby
Dates are counted from the average last spring frost (April 12) 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: Feb 15 – Mar 1 Transplant outdoors: Apr 19 – Apr 26 |
| Peppers | Start seeds indoors: Feb 1 – Feb 15 Transplant outdoors: Apr 26 – May 3 |
| Eggplant | Start seeds indoors: Feb 1 – Feb 15 Transplant outdoors: Apr 26 – May 3 |
| Broccoli | Start seeds indoors: Feb 1 – Feb 15 Transplant outdoors: Mar 15 – Mar 29 |
| Cabbage | Start seeds indoors: Feb 1 – Feb 15 Transplant outdoors: Mar 15 – Mar 29 |
| Onions (sets) | Plant outdoors: Mar 15 – Mar 29 |
| Peas | Sow outdoors: Mar 1 – Mar 15 |
| Spinach | Sow outdoors: Mar 1 – Mar 15 |
| Lettuce | Sow outdoors: Mar 15 – Mar 29 |
| Carrots | Sow outdoors: Mar 15 – Mar 29 |
| Potatoes | Plant outdoors: Mar 15 – Mar 29 |
| Beans | Sow outdoors: Apr 19 – Apr 26 |
| Sweet corn | Sow outdoors: Apr 19 – Apr 26 |
| Cucumbers | Sow outdoors: Apr 19 – Apr 26 |
| Squash & zucchini | Sow outdoors: Apr 19 – Apr 26 |
| Basil | Start seeds indoors: Mar 1 – Mar 15 Transplant outdoors: Apr 19 – Apr 26 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Aug 30 (8 weeks before the average first fall frost on Oct 25).
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 27 | Apr 12 | Apr 28 |
| First 32°F frost in fall is before | Nov 5 | Oct 25 | Oct 12 |
How to read it: in spring there is a 10% chance of a frost after April 28, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 12. A hard freeze (28°F) usually ends around March 31.
Hardiness zone by ZIP code in Shelby
- 28150 zone 8a
- 28151 zone 8a
- 28152 zone 8a
Nearby cities
- Kings Mountain zone 8a, last frost Mar 24
- Lincolnton zone 8a, last frost Apr 9
- Gastonia zone 8a, last frost Mar 27
- Morganton zone 7b, last frost Apr 7
- Hickory zone 8a, last frost Mar 31
- Newton zone 8a, last frost Mar 24
- Belmont zone 8a, last frost Mar 30
- Mount Holly zone 8a, last frost Mar 30
Questions
What growing zone is Shelby, NC?
Shelby 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 Shelby?
The average last spring frost (32°F) in Shelby is April 12. There is still a 10% chance of frost until April 28.
When can I plant tomatoes in Shelby?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 19 – Apr 26. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Shelby 2 Nw, NC (USC00317845), 3.8 km (2.4 mi) from the city center, elevation 250 m, based on 27 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.