Blacksburg, South Carolina, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Well-matched crops include cabbage, fig, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Blacksburg, 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 Blacksburg 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 Blacksburg — soil, climate, flood, and parcel records. How we handle your address.
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Blacksburg — the short answer
Blacksburg, South Carolina: USDA zone 8a, about 243 days between hard freezes, across 1K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~243
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 Blacksburg's average, not your lot's — a low corner or a tree line moves it. Against Blacksburg's 243-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Blacksburg
Each reading below is measured for Blacksburg itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredBlacksburg runs about 243 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
MeasuredBlacksburg 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 Blacksburg is in
Blacksburg sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Blacksburg's own centroid rather than borrowed from Cherokee County.
What Grows in Blacksburg
Every plant below cleared Blacksburg's own zone 8a and its 243-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Blacksburg?
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 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 16 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 14 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Blacksburg
Survey cells within 31 miles of Blacksburg checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 47 miles off. What to watch for.
What's on the federal record near Blacksburg
Closest first, within ~10 miles of Blacksburg. Listing isn't leaking, and distance isn't exposure.
- GOFORTHUnderground Storage Tanks · 600 ft
- BLACKSBURG SPACEUnderground Storage Tanks · 750 ft
- BLACKSBURG TOWN OFUnderground Storage Tanks · 950 ft
- DAVIS PROPERTYUnderground Storage Tanks · 1200 ft
- PATTERSON MOBIL SERVICEUnderground Storage Tanks · 1200 ft
- PORTERS SERVICE STATIONUnderground Storage Tanks · 1400 ft
- BLACKSBURG HARDWAREUnderground Storage Tanks · 1500 ft
- HARRY FOOD MARTUnderground Storage Tanks · 1700 ft
- CORNER STOPUnderground Storage Tanks · 1900 ft
- VIRGINIA CAROLINA CHEMICAL (VCC) BLACKSBURGSuperfund · 0.5 mi
- BLACKSBURG SECTION SHEDUnderground Storage Tanks · 0.7 mi
- INDUSTRIAL CONTAINER RECYCLING INCORPORATEDToxics Release Inventory · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Blacksburg'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 Blacksburg.
Sources Checked
within ~10 miles of Blacksburg
Severity Distribution
within ~10 miles of Blacksburg
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Blacksburg, two things run higher than the national average within ~10 miles of Blacksburg — Mining (35 sites) and Toxics Release Inventory (31 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Blacksburg
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 Blacksburg average
Your land is one point inside Blacksburg
Everything above resolves to Blacksburg as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Blacksburg Average
Blacksburg Average
- ●USDA Zones 8a, averaged across Blacksburg
- ●One soil character for all of Blacksburg
- ●Frost dates read at Blacksburg's scale: Mar 16 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Blacksburg's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Blacksburg
Pull a site-specific report for your exact address in Blacksburg, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Blacksburg averages can't show:
We read public map data around Blacksburg — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Blacksburg average
How we know this about Blacksburg
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 Blacksburg’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 Blacksburg
When does frost risk typically end in Blacksburg?
The last hard freeze (28°F) in Blacksburg typically lands around Mar 16, 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 6.
When is the first frost in Blacksburg?
The first hard freeze (28°F) in Blacksburg typically arrives around Nov 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 31, so the watching starts about Oct 15 — about 243 days after the spring freeze cleared.
How long is the growing season in Blacksburg?
Measured between 28°F hard freezes, Blacksburg sees about 243 frost-free days — roughly Mar 16 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 6 to Oct 31, about 208 days.
Is the soil safe to grow vegetables in Blacksburg?
The federal record around Blacksburg runs heavier than most — 337 documented sites, mostly Underground Storage Tanks entries (190), the nearest Underground Storage Tanks record about 0.1 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Blacksburg?
From about Oct 15 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 14 (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 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Blacksburg's scale — its 8a band and its 243-day season. Your yard writes its own version of Blacksburg'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 Blacksburg’s own scale
7 of the readings below were taken at Blacksburg's own scale — its own ~243-day season between 28°F freezes, the 1,197 acres it covers and 337 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Blacksburg's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Blacksburg's own 28°F hard-freeze dates, about Mar 16 and Nov 14 and the ~243-day span between themNOAA 1991–2020 Climate Normals
- 337 documented contamination sites on the federal record near Blacksburg, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Blacksburg's boundary and the 1,197 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~243-day seasonGrowable Ground crop-matching engine
- The ecoregion at Blacksburg's own centroid, the PiedmontUS EPA Level III Ecoregions
- Lanternfly survey cells around Blacksburg 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 Blacksburg's 1,197 acres read through its county's SSURGO summaryfrom Cherokee County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Cherokee County
- The growing challenges every South Carolina grower plans around — written at state scale, so they stay on the state guidefrom South Carolina
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Cherokee County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Blacksburg's 1,197 acreswhy one lot differs from the next →
- Which side of Blacksburg you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,197 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Blacksburg-wide figureread your own land →