Oak City, North Carolina, sits in USDA hardiness zone 8a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Expect cabbage, fig, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Oak City, 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 Oak City 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 Oak City — soil, climate, flood, and parcel records. How we handle your address.
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Oak City — the short answer
Oak City, North Carolina: USDA zone 8a, about 259 days between hard freezes, across 642 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 12
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~259
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 642 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 Oak City's average, not your lot's — a low corner or a tree line moves it. Against Oak City's 259-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Oak City
Each reading below is measured for Oak City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredOak City runs about 259 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
MeasuredOak City 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 Oak City is in
Oak City sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Oak City's own centroid rather than borrowed from Martin County.
What Grows in Oak City
Every plant below cleared Oak City's own zone 8a and its 259-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Oak City?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 12; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 26 — 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 Oak City
Survey cells within 31 miles of Oak City checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 44 miles off. What to watch for.
What's on the federal record near Oak City
Closest first, within ~10 miles of Oak City. Listing isn't leaking, and distance isn't exposure.
- MR-022 OAK CITY MUNNitrate · 150 ft
- OAK CITY SHOP AND GOUnderground Storage Tanks · 500 ft
- DOLLAR BILLUnderground Storage Tanks · 1000 ft
- BROWN'S GROCERYUnderground Storage Tanks · 1100 ft
- WILLIE ALEXANDER LOGGINGUnderground Storage Tanks · 1100 ft
- HURTFORD SMITH SERVICE STATIONUnderground Storage Tanks · 1100 ft
- FRANK BELL STOREUnderground Storage Tanks · 0.7 mi
- W S CLARK AND SONS INCORPORATEDToxics Release Inventory · 3.5 mi
- SPEEDWAY #6964Underground Storage Tanks · 3.6 mi
- HASSELL MINI MARTUnderground Storage Tanks · 4.0 mi
- HARRELL'S GROCUnderground Storage Tanks · 4.0 mi
- WILLIE COUNCIL STOREUnderground Storage Tanks · 4.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Oak City'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 Oak City.
Total Sites
79
within ~10 miles of Oak City
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Oak City
Severity Distribution
within ~10 miles of Oak City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Oak City, Underground Storage Tanks runs higher than the national average — 52 sites within ~10 miles of Oak City. That's not a problem with your land — it's information about it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Oak City
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 Oak City average
Your land is one point inside Oak City
Everything above resolves to Oak City as a whole — one PHZM band and one 28°F frost record, read across 642 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 Oak City Average
Oak City Average
- ●USDA Zones 8a, averaged across Oak City
- ●One soil character for all of Oak City
- ●Frost dates read at Oak City's scale: Mar 12 to Nov 26
YOUR Parcel
- ✓Your exact zone, not Oak City's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Oak City
Pull a site-specific report for your exact address in Oak City, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Oak City averages can't show:
We read public map data around Oak City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Oak City average
How we know this about Oak City
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 Oak City’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 Oak City
When does frost risk typically end in Oak City?
The last hard freeze (28°F) in Oak City typically lands around Mar 12, 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 2.
When is the first frost in Oak City?
The first hard freeze (28°F) in Oak City typically arrives around Nov 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 12, so the watching starts about Oct 27 — about 259 days after the spring freeze cleared.
How long is the growing season in Oak City?
Measured between 28°F hard freezes, Oak City sees about 259 frost-free days — roughly Mar 12 through Nov 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 2 to Nov 12, about 224 days.
Is the soil safe to grow vegetables in Oak City?
The federal record around Oak City is a meaningful one — 79 documented sites, mostly Underground Storage Tanks entries (52), the nearest Nitrate record under a tenth of a mile out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Oak City?
From about Oct 27 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 26 (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 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Oak City's scale — its 8a band and its 259-day season. Your yard writes its own version of Oak City'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 Oak City’s own scale
7 of the readings below were taken at Oak City's own scale — its own ~259-day season between 28°F freezes, the 642 acres it covers and 79 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Oak City's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Oak City's own 28°F hard-freeze dates, about Mar 12 and Nov 26 and the ~259-day span between themNOAA 1991–2020 Climate Normals
- 79 documented contamination sites on the federal record near Oak City, the closest Nitrate record under a tenth of a mile out from the town centreFederal environmental registers
- Oak City's boundary and the 642 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~259-day seasonGrowable Ground crop-matching engine
- The ecoregion at Oak City's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Oak City 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 Oak City's 642 acres read through its county's SSURGO summaryfrom Martin County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Martin 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 Martin County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Oak City's 642 acreswhy one lot differs from the next →
- Which side of Oak City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 642 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record under a tenth of a mile 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 Oak City-wide figureread your own land →
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