Sunbury, North Carolina, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Crops well matched to these conditions include cabbage, fig, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Sunbury, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Sunbury lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Sunbury — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Sunbury — the short answer
Sunbury, North Carolina: USDA zone 8a, about 238 days between hard freezes, across 2K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~238
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 8a is Sunbury's average, not your lot's — a low corner or a tree line moves it. Against Sunbury's 238-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Sunbury
Each reading below is measured for Sunbury itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSunbury runs about 238 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredSunbury sits in USDA hardiness zone 8a.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Sunbury is in
Sunbury sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Sunbury's own centroid rather than borrowed from Gates County.
What Grows in Sunbury
Every plant below cleared Sunbury's own zone 8a and its 238-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Sunbury?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Feb 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 21 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 14 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around Sunbury
Survey cells within 31 miles of Sunbury checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 41 miles off. What to watch for.
What's on the federal record near Sunbury
Closest first, within ~10 miles of Sunbury. Listing isn't leaking, and distance isn't exposure.
- GA-021 T MORGANNitrate · 1800 ft
- H S HOFLER & SONSUnderground Storage Tanks · 1900 ft
- H S HOFLER & SONUnderground Storage Tanks · 1900 ft
- MIDWAY CHEVROLET, INC.Underground Storage Tanks · 1900 ft
- HOFLER TRACTOR & IMPLEMENT CO.Underground Storage Tanks · 1900 ft
- CHARLES T HOFLERUnderground Storage Tanks · 1900 ft
- GEORGE P GATLINGUnderground Storage Tanks · 1900 ft
- DISCOUNT FAMILY FOODS INC.Underground Storage Tanks · 2000 ft
- HOLIDAY FOODSUnderground Storage Tanks · 2100 ft
- CHARLES T. HOFLERUnderground Storage Tanks · 2100 ft
- GA-067 SUNBURY RS, C15S7, AT PLYMOUTH, NCNitrate · 2500 ft
- TOM PERRY INC.Underground Storage Tanks · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Sunbury's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Sunbury.
Total Sites
86
within ~10 miles of Sunbury
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Sunbury
Severity Distribution
within ~10 miles of Sunbury
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Sunbury, two things run higher than the national average within ~10 miles of Sunbury — Nitrate (26 sites) and Underground Storage Tanks (57 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Sunbury
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Sunbury average
Your land is one point inside Sunbury
Everything above resolves to Sunbury as a whole — one PHZM band and one 28°F frost record, read across 2K acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Sunbury Average
Sunbury Average
- ●USDA Zones 8a, averaged across Sunbury
- ●One soil character for all of Sunbury
- ●Frost dates read at Sunbury's scale: Mar 21 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Sunbury's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Sunbury
Pull a site-specific report for your exact address in Sunbury, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sunbury averages can't show:
We read public map data around Sunbury — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sunbury average
How we know this about Sunbury
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Sunbury’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Sunbury
When does frost risk typically end in Sunbury?
The last hard freeze (28°F) in Sunbury typically lands around Mar 21, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 11.
When is the first frost in Sunbury?
The first hard freeze (28°F) in Sunbury typically arrives around Nov 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 31, so the watching starts about Oct 15 — about 238 days after the spring freeze cleared.
How long is the growing season in Sunbury?
Measured between 28°F hard freezes, Sunbury sees about 238 frost-free days — roughly Mar 21 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 11 to Oct 31, about 203 days.
Is the soil safe to grow vegetables in Sunbury?
The federal record around Sunbury shows 86 documented sites, mostly Underground Storage Tanks entries (57), the nearest Nitrate record about 0.3 miles out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Sunbury?
From about Oct 15 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Nov 14 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Nov 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Sunbury's scale — its 8a band and its 238-day season. Your yard writes its own version of Sunbury's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Sunbury’s own scale
7 of the readings below were taken at Sunbury's own scale — its own ~238-day season between 28°F freezes, the 1,568 acres it covers and 86 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Sunbury's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Sunbury's own 28°F hard-freeze dates, about Mar 21 and Nov 14 and the ~238-day span between themNOAA 1991–2020 Climate Normals
- 86 documented contamination sites on the federal record near Sunbury, the closest Nitrate record about 0.3 miles out from the town centreFederal environmental registers
- Sunbury's boundary and the 1,568 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~238-day seasonGrowable Ground crop-matching engine
- The ecoregion at Sunbury's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Sunbury checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Sunbury's 1,568 acres read through its county's SSURGO summaryfrom Gates County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Gates County
- The growing challenges every North Carolina grower plans around — written at state scale, so they stay on the state guidefrom North Carolina
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Gates County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sunbury's 1,568 acreswhy one lot differs from the next →
- Which side of Sunbury you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,568 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.3 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Sunbury-wide figureread your own land →