Transylvania County, in North Carolina, sits in USDA hardiness zone 7a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Well-matched crops include sweet potato, blueberry, muscadine grape, and dogwood, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Transylvania County lies within the Blue Ridge and Appalachia — a regional growing area with its own character.
Grounded in USDA PHZM 2023 · Growable Ground suitability scoring · NOAA 1991–2020 Climate Normals
Transylvania County holds more than one microclimate.
Soils and elevations shift across Transylvania 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.
No card required · your full report in seconds
Quick Facts
USDA Zones
7a
Last Hard Freeze (28°F)
Feb 25
County normal — light frosts run a few weeks later
First Hard Freeze (28°F)
Nov 30
County normal — light frosts arrive a few weeks earlier
County Area
242K acres
Hardiness Zone Range
Zone maps are averages across Transylvania County. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.
Soil in Transylvania County
Across Transylvania County, the ground is predominantly Inceptisols, where Ashe, Chestnut, and Edneyville are the most extensive named soil series. The soil is generally well drained with a loam surface. Topsoil pH runs about 4.8–5.3, very strongly acidic. Rainfall drains through hydrologic group B soils.
Soil order
Inceptisols
Drainage
Well drained
Prime farmland
1%
Hydric soils
3%
Soil still varies lot by lot — soil types explained.
What Grows in Transylvania County
Plants matched to Transylvania County's USDA zones 7a — each links to its full growing profile.





Is it too late to plant in Transylvania County?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Jan 28; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 25 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 30 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.

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 Transylvania County — and how to grow with it.
We checked the federal record across Transylvania County — 142 documented sites across 6 of the 9 source types we track.
The most significant on record: 1 Superfund site. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.
There's a meaningful federal record across Transylvania County — worth a look before you plant food, not a reason to hold back from growing. Proximity to a documented site is information, not a diagnosis of any one yard. A soil test before new food beds is the sensible precaution here, and the map shows exactly which sites sit where, so you can see what's actually near you.
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.
Sources Checked
across Transylvania County
Severity Distribution
across Transylvania County
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Transylvania County, Underground Storage Tanks runs higher than the national average — 103 sites nearby. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around 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 Transylvania 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
Transylvania County Average
- ●USDA Zones 7a
- ●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 Transylvania County
Pull a site-specific report for your exact address in Transylvania 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 Transylvania County, North Carolina
- USDA Hardiness Zones: 7a (USDA PHZM 2023)
- Last Hard Freeze (28°F): Feb 25 (county normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
- First Hard Freeze (28°F): Nov 30 (county normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
- Days Between Hard Freezes: ~278 (county normal, NOAA 1991–2020 Climate Normals)
- County Land Area: 242K 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 Transylvania 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 Transylvania County, North Carolina?
Transylvania County sits in USDA hardiness zone 7a, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.
Is it too late to plant in Transylvania County?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Jan 28; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 25 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 30 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.
When does frost risk typically end in Transylvania County?
The last hard freeze (28°F) in Transylvania County typically lands around Feb 25, 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.
How long is the growing season in Transylvania County?
Measured between 28°F hard freezes, Transylvania County sees about 278 frost-free days — roughly Feb 25 through Nov 30, per NOAA 1991–2020 climate normals. Tender crops get a somewhat shorter practical window, since lighter frosts reach a few weeks past the hard-freeze dates on both ends.
What vegetables grow in Transylvania County?
Transylvania County's zone 7a 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 Transylvania County, really?
Officially, Transylvania County sits in USDA zone 7a (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 Transylvania County?
The federal record around Transylvania County is a meaningful one — 142 documented sites — 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.
Just moved to Transylvania County — what should I know before planting?
Start with three facts. Transylvania County sits in USDA zone 7a, which sets what survives winter; the last 28°F hard freeze typically clears around Feb 25, with about 278 frost-free days to work with (NOAA 1991–2020 climate normals); and 142 documented sites sit on the federal record here, so a soil test before food beds is the smart first step. From there, matching plants to your actual soil and sun is the fun part.
Everything on this page is a Transylvania 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.
