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

Planting zone for Greensboro, NC

Greensboro, NC is in USDA zone 8a across its 26 ZIP codes. The median last spring frost is April 1 and the first fall frost November 4.

Greensboro on the zone map

Outlined: its 10 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 codes26
Last frostApr 1
First frostNov 4
Growing season217 days

8a 26 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Greensboro, NC…

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 Greensboro, NC

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 1median — 50% chance of a later frost
Safe for tender plantsApril 14only 10% chance of frost after
First fall frostNovember 4median — 10% chance by Oct 23
Growing season217 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 22 and returns around November 15.

From the NOAA station Greensboro Wtp, NC, elevation 764 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 Greensboro

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 18 – Mar 4
SpinachSow outdoors · Feb 18 – Mar 11
Broccoli, cabbageStart indoors · Jan 21 – Feb 4
Broccoli, cabbageTransplant · Mar 11 – Mar 25
Onion setsPlant outdoors · Mar 4 – Mar 18
PotatoesPlant outdoors · Mar 11 – Mar 25
LettuceSow outdoors · Mar 4 – Mar 18
Carrots, beetsSow outdoors · Mar 11 – Mar 25
TomatoesStart indoors · Feb 4 – Feb 18
TomatoesTransplant · Apr 8 – Apr 22
Peppers, eggplantStart indoors · Jan 21 – Feb 4
Peppers, eggplantTransplant · Apr 15 – Apr 29
BeansSow outdoors · Apr 8 – Apr 22
Sweet cornSow outdoors · Apr 8 – Apr 22
Cucumbers, squashSow outdoors · Apr 8 – Apr 22
Fall lettuce, spinachSow outdoors · Sep 9 – Sep 23
GarlicPlant cloves · Oct 21 – Nov 25
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 1) and first fall frost (Nov 4) 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 27412 came on Feb 26 — 3 days later than the 1991–2020 average (Feb 23).

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.

Trees 92

Shrubs 136

Wildflowers & perennials 191

Grasses 173

Vines 12

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 Greensboro, NC.

Soil in Greensboro, NC

The soil mapped at the center of ZIP 27412 is Enon — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Enon-Urban land complex, 2 to 10 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 27412; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Greensboro, NC

Summer high89 °Faverage high, July
Winter low30 °Faverage low, January
Hot days42days a year at 90 °F or more
Freezing nights63nights a year at 32 °F or less
Growing degree days4,649base 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
Precipitation45.9 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 50 °F, low 30 °F 50°30° JanFebruary: average high 54 °F, low 33 °F 54°33° FebMarch: average high 62 °F, low 39 °F 62°39° MarApril: average high 71 °F, low 48 °F 71°48° AprMay: average high 79 °F, low 58 °F 79°58° MayJune: average high 85 °F, low 65 °F 85°65° JunJuly: average high 89 °F, low 71 °F 89°71° JulAugust: average high 87 °F, low 68 °F 87°68° AugSeptember: average high 81 °F, low 61 °F 81°61° SepOctober: average high 71 °F, low 49 °F 71°49° OctNovember: average high 61 °F, low 39 °F 61°39° NovDecember: average high 53 °F, low 33 °F 53°33° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.21 in precipitation 3.2 JanFebruary: 2.55 in precipitation 2.5 FebMarch: 3.72 in precipitation 3.7 MarApril: 3.63 in precipitation 3.6 AprMay: 3.30 in precipitation 3.3 MayJune: 5.12 in precipitation 5.1 JunJuly: 5.80 in precipitation 5.8 JulAugust: 4.53 in precipitation 4.5 AugSeptember: 4.37 in precipitation 4.4 SepOctober: 3.18 in precipitation 3.2 OctNovember: 3.05 in precipitation 3.0 NovDecember: 3.43 in precipitation 3.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Greensboro Wtp, NC (within 1 mile); precipitation: Greensboro Wtp, NC (within 1 mile). Daylight is calculated from latitude.

ZIP codes in Greensboro

North Carolina planting zones →

Questions about Greensboro

What planting zone is Greensboro, NC?

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

When is the last frost in Greensboro, NC?

The median last spring frost is April 1 and the median first fall frost is November 4 (NOAA 1991–2020 normals, Greensboro Wtp station).

When can I plant a garden in Greensboro, NC?

Cool-season crops like peas and spinach go in around Feb 18 – Mar 11; tomatoes, peppers, beans and squash after about Apr 8, once frost risk has passed.

What kind of onions grow in Greensboro, 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 Greensboro, NC get?

About 45.9 inches of precipitation a year (NOAA 1991–2020 normals).