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

Planting zone for 27030 — Mount Airy, NC

ZIP code 27030 (Mount Airy, Surry County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 19 and the first fall frost October 23.

Where ZIP 27030 is

Outlined: the ZIP code area · 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 19
First frostOct 23
2012 zone7a

Was 7a on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Mount Airy, 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 Mount Airy, NC

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 19median — 50% chance of a later frost
Safe for tender plantsMay 8only 10% chance of frost after
First fall frostOctober 23median — 10% chance by Oct 11
Growing season186 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 2 and returns around November 1.

From the NOAA station Mt Airy 2 W, NC — within 1 mile, elevation 1,079 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 27030

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 8 – Mar 22
SpinachSow outdoors · Mar 8 – Mar 29
Broccoli, cabbageStart indoors · Feb 8 – Feb 22
Broccoli, cabbageTransplant · Mar 29 – Apr 12
Onion setsPlant outdoors · Mar 22 – Apr 5
PotatoesPlant outdoors · Mar 29 – Apr 12
LettuceSow outdoors · Mar 22 – Apr 5
Carrots, beetsSow outdoors · Mar 29 – Apr 12
TomatoesStart indoors · Feb 22 – Mar 8
TomatoesTransplant · Apr 26 – May 10
Peppers, eggplantStart indoors · Feb 8 – Feb 22
Peppers, eggplantTransplant · May 3 – May 17
BeansSow outdoors · Apr 26 – May 10
Sweet cornSow outdoors · Apr 26 – May 10
Cucumbers, squashSow outdoors · Apr 26 – May 10
Fall lettuce, spinachSow outdoors · Aug 28 – Sep 11
GarlicPlant cloves · Oct 9 – Nov 13
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 19) and first fall frost (Oct 23) 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 27030 came on Mar 2 — about the same time as the 1991–2020 average (Mar 3).

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 7b in North Carolina

596 plants native to the lower 48 states, recorded in North Carolina, and rated by the USDA to survive 5 °F or colder — the bottom of zone 7b. Each links to its USDA PLANTS profile.

Trees 89

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 129

Allegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Faloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 186

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °F

Grasses 165

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °FAtlantic mannagrass3 ft · blooms summer · low shade tolerance · to −8 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °F

Vines 12

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Fgraybark grape50 ft · blooms late spring · medium shade tolerance · to −8 °Fheartleaf peppervine2 ft · blooms late spring · low shade tolerance · to −8 °F

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 Mount Airy, NC.

Soil in Mount Airy, NC

The soil mapped at the center of ZIP 27030 is Rhodhiss — coarse sandy loam, well drained.

TextureCoarse sandy loamdrains and warms fast; dries out and needs more feeding
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Rhodhiss-Bannertown complex, 15 to 25 percent slopes, very rocky.

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 27030; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mount Airy, NC

Summer high86 °Faverage high, July
Winter low25 °Faverage low, January
Hot days24days a year at 90 °F or more
Freezing nights111nights a year at 32 °F or less
Growing degree days3,603base 50 °F — the season’s usable heat
Longest day14 h 39 mindaylight on June 21
Shortest day9 h 40 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation50.5 inper year, rain and melted snow
Snowfall8 inper year; 5 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 47 °F, low 25 °F 47°25° JanFebruary: average high 51 °F, low 27 °F 51°27° FebMarch: average high 58 °F, low 33 °F 58°33° MarApril: average high 69 °F, low 41 °F 69°41° AprMay: average high 76 °F, low 50 °F 76°50° MayJune: average high 83 °F, low 59 °F 83°59° JunJuly: average high 86 °F, low 63 °F 86°63° JulAugust: average high 85 °F, low 62 °F 85°62° AugSeptember: average high 79 °F, low 56 °F 79°56° SepOctober: average high 70 °F, low 43 °F 70°43° OctNovember: average high 59 °F, low 33 °F 59°33° NovDecember: average high 50 °F, low 28 °F 50°28° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.99 in precipitation, 3.1 in snowfall 4.0❄3 JanFebruary: 3.14 in precipitation, 2.2 in snowfall 3.1❄2 FebMarch: 4.19 in precipitation, 1.2 in snowfall 4.2❄1 MarApril: 4.29 in precipitation 4.3 AprMay: 4.53 in precipitation 4.5 MayJune: 4.95 in precipitation 5.0 JunJuly: 5.24 in precipitation 5.2 JulAugust: 4.69 in precipitation 4.7 AugSeptember: 4.26 in precipitation 4.3 SepOctober: 3.54 in precipitation 3.5 OctNovember: 3.44 in precipitation 3.4 NovDecember: 4.20 in precipitation, 1.7 in snowfall 4.2❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Mt Airy 2 W, NC (within 1 mile); precipitation: Mt Airy 2 W, NC (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

270497b
Toast, NC · <1 mi
270077b
Ararat, NC · 7 mi
270317b
White Plains, NC · 8 mi
243177b
Cana, VA · 8 mi
270417b
Pilot Mountain, NC · 10 mi
240537b
Ararat, VA · 10 mi
243517b
Lambsburg, VA · 10 mi
270177b
Dobson, NC · 10 mi

North Carolina planting zones →

Questions about 27030

What planting zone is ZIP code 27030?

ZIP code 27030 (Mount Airy, NC) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Mount Airy, NC?

The median last spring frost (32 °F) near 27030 is April 19; after May 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mt Airy 2 W station.

When is the first frost in Mount Airy, NC?

The median first fall frost near 27030 is October 23, giving a median frost-free growing season of 186 days.

When should I plant tomatoes in 27030?

Start tomato seeds indoors around Feb 22 – Mar 8 and set transplants outside around Apr 26 – May 10, one to three weeks after the median last frost.

How much rain and snow does 27030 get?

About 50.5 inches of precipitation a year and 8 inches of snowfall (NOAA 1991–2020 normals, Mt Airy 2 W station).

How hot do summers get in Mount Airy, NC?

The average high peaks at 86 °F in July, with about 24 days a year at 90 °F or more.

What kind of soil does 27030 have?

The USDA soil survey maps Rhodhiss at the center of ZIP 27030: coarse sandy loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Mount Airy, NC in 2026?

Spring leaf-out near 27030 came on Mar 2 in 2026, about the same as the 1991–2020 average (Mar 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mount Airy, NC?

Intermediate onions: the longest day near 27030 is 14 h 39 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 27030 change?

Yes. The 2012 USDA map put 27030 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.