Kernersville, 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.
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 Kernersville, 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 Kernersville 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 Kernersville — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Kernersville — the short answer
Kernersville, North Carolina: USDA zone 8a, about 255 days between hard freezes, across 12K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~255
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 12K 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 Kernersville's average, not your lot's — a low corner or a tree line moves it. Against Kernersville's 255-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Kernersville
Each reading below is measured for Kernersville itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredKernersville runs about 255 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
MeasuredKernersville 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 Kernersville is in
Kernersville sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Kernersville's own centroid rather than borrowed from Forsyth County.
What Grows in Kernersville
Every plant below cleared Kernersville's own zone 8a and its 255-day season. Each card opens that plant's North Carolina profile. How we score.






























Is it too late to plant in Kernersville?
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 13; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — 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 Kernersville
Spotted lanternfly documented 2 miles from Kernersville, first recorded 2022. What to watch for.
What's on the federal record near Kernersville
Closest first, within ~10 miles of Kernersville. Listing isn't leaking, and distance isn't exposure.
- FAST STOPUnderground Storage Tanks · 800 ft
- NCDSCA DC340007( CAMELOT CLEANERS )Brownfields · 2500 ft
- KERNERSVILLE CLEANERSBrownfields · 2600 ft
- 4 BROTHERS FOOD STORE 216Underground Storage Tanks · 2600 ft
- RUN-IN 715Underground Storage Tanks · 2600 ft
- SPEEDWAY #6942Underground Storage Tanks · 0.5 mi
- VOLVO WHITE TRUCKSUnderground Storage Tanks · 0.6 mi
- HIGHWAY EXPRESSUnderground Storage Tanks · 0.6 mi
- TOWN OF KERNERSVILLE GARAGEBrownfields · 0.7 mi
- PUBLIC WORKS DEPARTMENTUnderground Storage Tanks · 0.7 mi
- KERNERSVILLE TEXACOUnderground Storage Tanks · 0.7 mi
- H.B. BODENHAMER SHELL SERVICEUnderground Storage Tanks · 0.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Kernersville'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 Kernersville.
Total Sites
1,253
within ~10 miles of Kernersville
Risk Level
Elevated
Highest-severity
14 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Kernersville
Severity Distribution
within ~10 miles of Kernersville
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Kernersville, Toxics Release Inventory runs higher than the national average — 106 sites within ~10 miles of Kernersville. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Kernersville
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 Kernersville average
Your land is one point inside Kernersville
Everything above resolves to Kernersville as a whole — one PHZM band and one 28°F frost record, read across 12K 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 Kernersville Average
Kernersville Average
- ●USDA Zones 8a, averaged across Kernersville
- ●One soil character for all of Kernersville
- ●Frost dates read at Kernersville's scale: Mar 13 to Nov 23
YOUR Parcel
- ✓Your exact zone, not Kernersville's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Kernersville
Pull a site-specific report for your exact address in Kernersville, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Kernersville averages can't show:
We read public map data around Kernersville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Kernersville average
How we know this about Kernersville
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 Kernersville’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 Kernersville
When does frost risk typically end in Kernersville?
The last hard freeze (28°F) in Kernersville typically lands around Mar 13, 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 3.
When is the first frost in Kernersville?
The first hard freeze (28°F) in Kernersville typically arrives around Nov 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 9, so the watching starts about Oct 24 — about 255 days after the spring freeze cleared.
How long is the growing season in Kernersville?
Measured between 28°F hard freezes, Kernersville sees about 255 frost-free days — roughly Mar 13 through Nov 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 3 to Nov 9, about 220 days.
Is the soil safe to grow vegetables in Kernersville?
The federal record around Kernersville is a meaningful one — 1,253 documented sites, mostly Underground Storage Tanks entries (738), the nearest Underground Storage Tanks record about 0.2 miles 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 Kernersville?
From about Oct 24 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Kernersville's scale — its 8a band and its 255-day season. Your yard writes its own version of Kernersville'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 Kernersville’s own scale
7 of the readings below were taken at Kernersville's own scale — its own ~255-day season between 28°F freezes, the 12,251 acres it covers and 1,253 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Kernersville's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Kernersville's own 28°F hard-freeze dates, about Mar 13 and Nov 23 and the ~255-day span between themNOAA 1991–2020 Climate Normals
- 1,253 documented contamination sites on the federal record near Kernersville, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Kernersville's boundary and the 12,251 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~255-day seasonGrowable Ground crop-matching engine
- The ecoregion at Kernersville's own centroid, the PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Kernersvillelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Kernersville's 12,251 acres read through its county's SSURGO summaryfrom Forsyth County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Forsyth 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 Forsyth County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Kernersville's 12,251 acreswhy one lot differs from the next →
- Which side of Kernersville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 12,251 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Kernersville-wide figureread your own land →
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