Butner, North Carolina, sits in USDA hardiness zone 8a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
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 Butner, 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 Butner 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 Butner — soil, climate, flood, and parcel records. How we handle your address.
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Butner — the short answer
Butner, North Carolina: USDA zone 8a, about 234 days between hard freezes, across 9K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~234
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 9K 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 Butner's average, not your lot's — a low corner or a tree line moves it. Against Butner's 234-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Butner
Each reading below is measured for Butner itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredButner runs about 234 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
MeasuredButner 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 Butner is in
Butner sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Butner's own centroid rather than borrowed from Granville County.
What Grows in Butner
Every plant below cleared Butner's own zone 8a and its 234-day season. Each card opens that plant's North Carolina profile. How we score.
Is it too late to plant in Butner?
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 24; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — 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 Butner
Spotted lanternfly documented 21 miles from Butner, first recorded 2023. What to watch for.
What's on the federal record near Butner
Closest first, within ~10 miles of Butner. Listing isn't leaking, and distance isn't exposure.
- SOUTHERN PALLET INCORPORATEDToxics Release Inventory · 1500 ft
- ATHOL MANUFACTURING CORPORATIONUnderground Storage Tanks · 2000 ft
- CREEDMOOR HOLDING CO., LLCBrownfields · 2100 ft
- ATHOL CORPORATIONToxics Release Inventory · 2200 ft
- READY MIXED CONCRETE PLANT 13Underground Storage Tanks · 2400 ft
- BKC INDUSTRIES INCORPORATEDBrownfields · 2400 ft
- ONTICBrownfields · 2600 ft
- BFS INDUSTRIES, LLCBrownfields · 0.5 mi
- SOUTHERN EQUIPMENT CO., INC.Underground Storage Tanks · 0.5 mi
- SOLECTRON CORPToxics Release Inventory · 0.6 mi
- CREEDMOOR - NORTHERN TELECOMUnderground Storage Tanks · 0.6 mi
- AISIN NORTH CAROLINA CORPORATIONBrownfields · 0.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Butner'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 Butner.
Total Sites
216
within ~10 miles of Butner
Risk Level
Elevated
Highest-severity
4 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Butner
Severity Distribution
within ~10 miles of Butner
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Butner, two things run higher than the national average within ~10 miles of Butner — Superfund (4 sites) and Toxics Release Inventory (15 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Butner
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 Butner average
Your land is one point inside Butner
Everything above resolves to Butner as a whole — one PHZM band and one 28°F frost record, read across 9K 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 Butner Average
Butner Average
- ●USDA Zones 8a, averaged across Butner
- ●One soil character for all of Butner
- ●Frost dates read at Butner's scale: Mar 24 to Nov 13
YOUR Parcel
- ✓Your exact zone, not Butner's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Butner
Pull a site-specific report for your exact address in Butner, North Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Butner averages can't show:
We read public map data around Butner — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Butner average
How we know this about Butner
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 Butner’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 Butner
When does frost risk typically end in Butner?
The last hard freeze (28°F) in Butner typically lands around Mar 24, 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 14.
When is the first frost in Butner?
The first hard freeze (28°F) in Butner typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 234 days after the spring freeze cleared.
How long is the growing season in Butner?
Measured between 28°F hard freezes, Butner sees about 234 frost-free days — roughly Mar 24 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 14 to Oct 30, about 199 days.
Is the soil safe to grow vegetables in Butner?
The federal record around Butner is a meaningful one — 216 documented sites, mostly Underground Storage Tanks entries (117), the nearest Toxics Release Inventory record about 0.3 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 Butner?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Butner's scale — its 8a band and its 234-day season. Your yard writes its own version of Butner'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 Butner’s own scale
7 of the readings below were taken at Butner's own scale — its own ~234-day season between 28°F freezes, the 8,828 acres it covers and 216 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Butner's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Butner's own 28°F hard-freeze dates, about Mar 24 and Nov 13 and the ~234-day span between themNOAA 1991–2020 Climate Normals
- 216 documented contamination sites on the federal record near Butner, the closest Toxics Release Inventory record about 0.3 miles out from the town centreFederal environmental registers
- Butner's boundary and the 8,828 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~234-day seasonGrowable Ground crop-matching engine
- The ecoregion at Butner's own centroid, the PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Butnerlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Butner's 8,828 acres read through its county's SSURGO summaryfrom Granville County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Granville 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 Granville County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Butner's 8,828 acreswhy one lot differs from the next →
- Which side of Butner you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 8,828 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Toxics Release Inventory 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 Butner-wide figureread your own land →
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