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

Planting zone for 28538 — Hookerton, NC

ZIP code 28538 (Hookerton, Greene County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 26 and the first fall frost November 12.

Where ZIP 28538 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.

Zone8b15 to 20 °F

Coldest night−9.4 to −6.7 °C

Last frostMar 26

First frostNov 12

2012 zone8a

Was 8a 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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Hookerton, 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 Hookerton, NC

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMarch 26median — 50% chance of a later frost

Safe for tender plantsApril 8only 10% chance of frost after

First fall frostNovember 12median — 10% chance by Nov 1

Growing season232 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 9 and returns around November 24.

From the NOAA station Snow Hill Waste Water Treament, NC — 6 miles away, elevation 43 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 28538

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 12 – Feb 26

SpinachSow outdoors · Feb 12 – Mar 5

Broccoli, cabbageStart indoors · Jan 15 – Jan 29

Broccoli, cabbageTransplant · Mar 5 – Mar 19

Onion setsPlant outdoors · Feb 26 – Mar 12

PotatoesPlant outdoors · Mar 5 – Mar 19

LettuceSow outdoors · Feb 26 – Mar 12

Carrots, beetsSow outdoors · Mar 5 – Mar 19

TomatoesStart indoors · Jan 29 – Feb 12

TomatoesTransplant · Apr 2 – Apr 16

Peppers, eggplantStart indoors · Jan 15 – Jan 29

Peppers, eggplantTransplant · Apr 9 – Apr 23

BeansSow outdoors · Apr 2 – Apr 16

Sweet cornSow outdoors · Apr 2 – Apr 16

Cucumbers, squashSow outdoors · Apr 2 – Apr 16

Fall lettuce, spinachSow outdoors · Sep 17 – Oct 1

GarlicPlant cloves · Oct 29 – Dec 3

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 26) and first fall frost (Nov 12) 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 28538 came on Feb 20 — 8 days later than the 1991–2020 average (Feb 12).

average
Feb 122026
Feb 20

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 8b in North Carolina

635 plants native to the lower 48 states, recorded in North Carolina, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. 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 Hookerton, NC.

Soil in Hookerton, NC

The soil mapped at the center of ZIP 28538 is Cowarts — sandy loam, well drained.

TextureSandy 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 matter2%moderate

Hydrologic groupCwater soaks in slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Cowarts sandy loam, 6 to 12 percent slopes, eroded.

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 28538; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Hookerton, NC

Summer high91 °Faverage high, July

Winter low32 °Faverage low, January

Hot days59days a year at 90 °F or more

Freezing nights59nights a year at 32 °F or less

Growing degree days5,151base 50 °F — the season’s usable heat

Longest day14 h 33 mindaylight on June 21

Shortest day9 h 46 mindaylight on December 21

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

Precipitation50.6 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: Snow Hill Waste Water Treament, NC (6 mi away); precipitation: Snow Hill Waste Water Treament, NC (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Winterville, NC · 11 mi

278288a

Farmville, NC · 12 mi

North Carolina planting zones →

Questions about 28538

What planting zone is ZIP code 28538?

ZIP code 28538 (Hookerton, NC) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Hookerton, NC?

The median last spring frost (32 °F) near 28538 is March 26; after April 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Snow Hill Waste Water Treament station.

When is the first frost in Hookerton, NC?

The median first fall frost near 28538 is November 12, giving a median frost-free growing season of 232 days.

When should I plant tomatoes in 28538?

Start tomato seeds indoors around Jan 29 – Feb 12 and set transplants outside around Apr 2 – Apr 16, one to three weeks after the median last frost.

How much rain and snow does 28538 get?

About 50.6 inches of precipitation a year (NOAA 1991–2020 normals, Snow Hill Waste Water Treament station).

How hot do summers get in Hookerton, NC?

The average high peaks at 91 °F in July, with about 59 days a year at 90 °F or more.

What kind of soil does 28538 have?

The USDA soil survey maps Cowarts at the center of ZIP 28538: sandy loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Hookerton, NC in 2026?

Spring leaf-out near 28538 came on Feb 20 in 2026, 8 days later than the 1991–2020 average (Feb 12), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Hookerton, NC?

Intermediate onions: the longest day near 28538 is 14 h 33 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 28538 change?

Yes. The 2012 USDA map put 28538 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.