Mooresville, NC planting zone & frost dates

Mooresville is in USDA hardiness zone 8a. The last spring frost usually comes around April 9 and the first fall frost around October 28, for a growing season of about 203 days.

USDA hardiness zone8aavg. extreme winter low 10°F to 15°F
Average last spring frostApril 990% chance of no frost after April 24
Average first fall frostOctober 2810% chance of frost by October 15
Growing season203 daysfrost-free days in an average year

Planting calendar for Mooresville

Dates are counted from the average last spring frost (April 9) 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.

CropWhen
TomatoesStart seeds indoors: Feb 12 – Feb 26
Transplant outdoors: Apr 16 – Apr 23
PeppersStart seeds indoors: Jan 29 – Feb 12
Transplant outdoors: Apr 23 – Apr 30
EggplantStart seeds indoors: Jan 29 – Feb 12
Transplant outdoors: Apr 23 – Apr 30
BroccoliStart seeds indoors: Jan 29 – Feb 12
Transplant outdoors: Mar 12 – Mar 26
CabbageStart seeds indoors: Jan 29 – Feb 12
Transplant outdoors: Mar 12 – Mar 26
Onions (sets)Plant outdoors: Mar 12 – Mar 26
PeasSow outdoors: Feb 26 – Mar 12
SpinachSow outdoors: Feb 26 – Mar 12
LettuceSow outdoors: Mar 12 – Mar 26
CarrotsSow outdoors: Mar 12 – Mar 26
PotatoesPlant outdoors: Mar 12 – Mar 26
BeansSow outdoors: Apr 16 – Apr 23
Sweet cornSow outdoors: Apr 16 – Apr 23
CucumbersSow outdoors: Apr 16 – Apr 23
Squash & zucchiniSow outdoors: Apr 16 – Apr 23
BasilStart seeds indoors: Feb 26 – Mar 12
Transplant outdoors: Apr 16 – Apr 23

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 2 (8 weeks before the average first fall frost on Oct 28).

Useful for zone 8a gardens

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Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterMar 24Apr 9Apr 24
First 32°F frost in fall is beforeNov 8Oct 28Oct 15

How to read it: in spring there is a 10% chance of a frost after April 24, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 15. A hard freeze (28°F) usually ends around March 28.

Hardiness zone by ZIP code in Mooresville

Nearby cities

All cities in North Carolina → · Other zone 8a cities →

Questions

What growing zone is Mooresville, NC?

Mooresville 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 Mooresville?

The average last spring frost (32°F) in Mooresville is April 9. There is still a 10% chance of frost until April 24.

When can I plant tomatoes in Mooresville?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 16 – Apr 23. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Salisbury 9 Wnw, NC (USC00317618), 21.0 km (13.0 mi) from the city center, elevation 221 m, based on 26 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.