Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for Kernersville, NC

Kernersville, NC is in USDA zone 8a across its 2 ZIP codes. The median last spring frost is March 30 and the first fall frost November 5.

Kernersville on the zone map

Outlined: its 1 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone8a10 to 15 °F

ZIP codes2

Last frostMar 30

First frostNov 5

Growing season220 days

8a 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Kernersville, NC

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMarch 30median — 50% chance of a later frost

Safe for tender plantsApril 14only 10% chance of frost after

First fall frostNovember 5median — 10% chance by Oct 25

Growing season220 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 18 and returns around November 17.

From the NOAA station Piedmont Triad Intl Airport, NC, elevation 889 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in Kernersville

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 16 – Mar 2

SpinachSow outdoors · Feb 16 – Mar 9

Broccoli, cabbageStart indoors · Jan 19 – Feb 2

Broccoli, cabbageTransplant · Mar 9 – Mar 23

Onion setsPlant outdoors · Mar 2 – Mar 16

PotatoesPlant outdoors · Mar 9 – Mar 23

LettuceSow outdoors · Mar 2 – Mar 16

Carrots, beetsSow outdoors · Mar 9 – Mar 23

TomatoesStart indoors · Feb 2 – Feb 16

TomatoesTransplant · Apr 6 – Apr 20

Peppers, eggplantStart indoors · Jan 19 – Feb 2

Peppers, eggplantTransplant · Apr 13 – Apr 27

BeansSow outdoors · Apr 6 – Apr 20

Sweet cornSow outdoors · Apr 6 – Apr 20

Cucumbers, squashSow outdoors · Apr 6 – Apr 20

Fall lettuce, spinachSow outdoors · Sep 10 – Sep 24

GarlicPlant cloves · Oct 22 – Nov 26

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 30) and first fall frost (Nov 5) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 27285 came on Feb 26 — 3 days later than the 1991–2020 average (Feb 23).

average
Feb 232026
Feb 26

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 8a in North Carolina

619 plants native to the lower 48 states, recorded in North Carolina, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Kernersville, NC.

Soil in Kernersville, NC

The soil mapped at the center of ZIP 27285 is Clifford — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding

pH4.5strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1%low — add compost

Hydrologic groupAwater soaks in fast

Farmland classprime farmlandUSDA classification

Map unit: Clifford sandy loam, 2 to 6 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 27285; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Kernersville, NC

Summer high89 °Faverage high, July

Winter low30 °Faverage low, January

Hot days33days a year at 90 °F or more

Freezing nights68nights a year at 32 °F or less

Growing degree days4,622base 50 °F — the season’s usable heat

Longest day14 h 37 mindaylight on June 21

Shortest day9 h 42 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation47 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Piedmont Triad Intl Airport, NC (7 mi away); precipitation: Kernersville 1.1 Ssw, NC (within 1 mile). Daylight is calculated from latitude.

ZIP codes in Kernersville

North Carolina planting zones →

Questions about Kernersville

What planting zone is Kernersville, NC?

Kernersville, NC is in USDA hardiness zone 8a on the 2023 map (8a: 10 to 15 °F).

When is the last frost in Kernersville, NC?

The median last spring frost is March 30 and the median first fall frost is November 5 (NOAA 1991–2020 normals, Piedmont Triad Intl Airport station).

When can I plant a garden in Kernersville, NC?

Cool-season crops like peas and spinach go in around Feb 16 – Mar 9; tomatoes, peppers, beans and squash after about Apr 6, once frost risk has passed.

What kind of onions grow in Kernersville, NC?

Intermediate onions: the longest day is 14 h 37 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Kernersville, NC get?

About 47 inches of precipitation a year (NOAA 1991–2020 normals).