Chowan County, in North Carolina, sits in USDA hardiness zone 8a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Reliable performers under these conditions include sweet potato, blueberry, muscadine grape, and dogwood; what your own ground favors still comes down to its soil, sun, and drainage.
Chowan County lies within Tidewater & Chesapeake — a regional growing area with its own character.
Grounded in USDA PHZM 2023 · Growable Ground suitability scoring · NOAA 1991–2020 Climate Normals
Chowan County holds more than one microclimate.
Soils and elevations shift across Chowan County, so your frost dates and drainage aren't the county average. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Quick Facts
USDA Zones
8a
Last Hard Freeze (28°F)
Feb 2
County normal — light frosts run a few weeks later
First Frost (state avg.)
Oct 5 - Nov 15
County Area
111K acres
Hardiness Zone Range
Growing Season (statewide frost window)
Zone maps are averages across Chowan County. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.
Soil in Chowan County
Across Chowan County, the ground is predominantly Ultisols, where Roanoke, Portsmouth, and Tomotley are the most extensive named soil series. The soil is generally poorly drained with a fine sandy loam surface. Topsoil pH runs about 4.5–5.3, very strongly acidic. Rainfall drains through hydrologic group B/D soils.
Soil order
Ultisols
Drainage
Poorly drained
Prime farmland
10%
Hydric soils
60%
Soil still varies lot by lot — soil types explained.
What Grows in Chowan County
Plants matched to Chowan County's USDA zones 8a — each links to its full growing profile.
Growing Challenges in North Carolina
What an experienced grower plans around here — each one has a move.
Red Piedmont clay is hard to work and drains poorly
Red clay rewards patience — compost opens it over seasons, and a raised bed gets you harvesting in the meantime.
Humidity drives significant disease pressure
Airflow, morning base-watering, and resistant varieties — the humid-South trio your extension's lists are built around.
Hurricane risk on the coastal plain
On the coastal plain, favor wind-tough perennials and stake young trees well ahead of storm season.
For cultivar selection, pest pressure, and planting-time guidance specific to North Carolina, the NC State Extension is the authoritative local source.
Safe to Grow Here?
What the federal record shows across Chowan County — and how to grow with it.
We checked the federal record across Chowan County — 192 documented sites across 6 of the 9 source types we track.
The most significant on record: 9 Toxics Release Inventory facilities. Active industrial facilities reporting chemical releases to air, water, and land.
The federal record across Chowan County is a modest one — a typical footprint for a growing area. Nothing here calls for alarm; it's worth knowing which recorded sites sit closest to where you grow, and each one on the map carries its type and location. If one turns out to be a near neighbor, a one-time soil test settles the question.
Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.
Environmental Intelligence
Understanding what's nearby helps you make informed decisions about where and how to grow.
Total Sites
192
across Chowan County
Risk Level
Moderate
Highest-severity
9 Toxics Release Inventory facilities
Sources Checked
across Chowan County
Severity Distribution
across Chowan County
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Chowan County, Nitrate runs higher than the national average — 98 sites nearby. That's not a problem with your land — it's information about it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Chowan County
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources analyzed in seconds
Your Specific Parcel Matters
Chowan County Average
- ●USDA Zones 8a
- ●Generic soil type for the area
- ●State-average frost dates
YOUR Parcel
- ✓Your exact hardiness zone
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your parcel in Chowan County
Pull a site-specific report for your exact address in Chowan County, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources analyzed in seconds
Key Growing Facts for Chowan County, North Carolina
- USDA Hardiness Zones: 8a (USDA PHZM 2023)
- Last Hard Freeze (28°F): Feb 2 (county normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
- First Fall Frost (state avg.): Oct 5 - Nov 15 (NOAA 30-Year Climate Normals)
- County Land Area: 111K acres (US Census TIGER 2025)
Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. County boundaries: US Census TIGER/Line 2025.
Frost dates here are the Chowan County average. Low spots and tree cover move them by days on any one yard — see your exact frost windows.
Frequently Asked Questions
What hardiness zone is Chowan County, North Carolina?
Chowan County sits in USDA hardiness zone 8a, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.
When does frost risk typically end in Chowan County?
The last hard freeze (28°F) in Chowan County typically lands around Feb 2, per NOAA 1991–2020 climate normals — an earlier marker than the light-frost dates many planting charts quote. That marks the hard freeze, not the last light frost — light frosts can still bite for a few more weeks, so tender transplants usually wait another 2–3 weeks.
What vegetables grow in Chowan County?
Chowan County's zone 8a supports a wide range — strong performers include Sweet Potato, Blueberry, Muscadine Grape, Dogwood, and Tomato. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.
Which hardiness zone is Chowan County, really?
Officially, Chowan County sits in USDA zone 8a (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.
Is the soil safe to grow vegetables in Chowan County?
The federal record around Chowan County shows 192 documented sites — 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.
Just moved to Chowan County — what should I know before planting?
Start with three facts. Chowan County sits in USDA zone 8a, which sets what survives winter; the statewide frost window runs about Mar 10 - May 5 to Oct 5 - Nov 15 (NOAA 30-year climate normals); and 192 documented sites sit on the federal record — a typical footprint for a growing area, worth a look on the contamination map before food beds. From there, matching plants to your actual soil and sun is the fun part.
Everything on this page is a Chowan County average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.
Will It Grow Here?
Zone fit is the first question — each answer below reads North Carolina's frost window, season length, and soil profile against the plant's real requirements.