Clemson University, South Carolina, sits in USDA hardiness zone 8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, fig, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Clemson University, 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 Clemson University 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 Clemson University — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Clemson University — the short answer
Clemson University, South Carolina: USDA zone 8b, about 248 days between hard freezes, across 1K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 15
- Pickens County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 18
- Pickens County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~248
- Pickens County normal — NOAA 1991–2020, nearest to this town
- Town area
- 1K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Pickens County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Clemson University's average, not your lot's — a low corner or a tree line moves it. Against Clemson University's 248-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Clemson University
Each reading below is measured for Clemson University itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsClemson University runs about 248 days between hard freezes (read from Pickens County, the closest normal to Clemson University) — 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
MeasuredClemson University sits in USDA hardiness zone 8b.
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 Clemson University is in
Clemson University sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Clemson University's own centroid rather than borrowed from Pickens County.
What Grows in Clemson University
Every plant below cleared Clemson University's own zone 8b and its 248-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Clemson University?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 18 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
What's on the federal record near Clemson University
Closest first, within ~10 miles of Clemson University. Listing isn't leaking, and distance isn't exposure.
- CLEMSON UNIVERSITY (SC3910006)PFAS · 25 ft
- SMITH HALLUnderground Storage Tanks · 750 ft
- JORDAN HALLUnderground Storage Tanks · 750 ft
- NURSING BUILDINGUnderground Storage Tanks · 750 ft
- DANIEL HALLUnderground Storage Tanks · 750 ft
- RHODES ENGINEER RESEARCHUnderground Storage Tanks · 750 ft
- BYRNES HALL HIGH RISEUnderground Storage Tanks · 750 ft
- SIRRINE HALLUnderground Storage Tanks · 750 ft
- R F POOLE AGRIC CENTERUnderground Storage Tanks · 850 ft
- HUNTER HALLUnderground Storage Tanks · 1000 ft
- CLEMSON UNIVERSITY H P COOPER AGRICULTURAL SERVICE LABORATORYBrownfields · 1300 ft
- CLEMSON UNIVERSITY CHERRY FARMBrownfields · 1300 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Clemson University'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 Clemson University.
Total Sites
436
within ~10 miles of Clemson University
Risk Level
Elevated
Highest-severity
29 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Clemson University
Severity Distribution
within ~10 miles of Clemson University
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Clemson University, two things run higher than the national average within ~10 miles of Clemson University — PFAS (4 sites) and Toxics Release Inventory (29 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Clemson University
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 Clemson University average
Your land is one point inside Clemson University
Everything above resolves to Clemson University as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Pickens County’s record because no 30-year normal resolves at this town’s own centroid. 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 Clemson University Average
Clemson University Average
- ●USDA Zones 8b, averaged across Clemson University
- ●One soil character for all of Clemson University
- ●Frost dates read at Clemson University's scale: Mar 15 to Nov 18
YOUR Parcel
- ✓Your exact zone, not Clemson University's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Clemson University
Pull a site-specific report for your exact address in Clemson University, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Clemson University averages can't show:
We read public map data around Clemson University — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Clemson University average
How we know this about Clemson University
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 Pickens County’s record, because none resolves here; 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 Clemson University
When does frost risk typically end in Clemson University?
The last hard freeze (28°F) in Clemson University typically lands around Mar 15, 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 5.
When is the first frost in Clemson University?
The first hard freeze (28°F) in Clemson University typically arrives around Nov 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 4, so the watching starts about Oct 19 — about 248 days after the spring freeze cleared.
How long is the growing season in Clemson University?
Measured between 28°F hard freezes, Clemson University sees about 248 frost-free days — roughly Mar 15 through Nov 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 5 to Nov 4, about 213 days.
Is the soil safe to grow vegetables in Clemson University?
The federal record around Clemson University is a meaningful one — 436 documented sites, mostly Underground Storage Tanks entries (268), the nearest PFAS record under a tenth of a mile 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 Clemson University?
From about Oct 19 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 18 (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 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Clemson University's scale — its 8b band and its 248-day season. Your yard writes its own version of Clemson University'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 Clemson University’s own scale
5 of the readings below were taken at Clemson University's own scale — the 1,355 acres it covers and 436 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Clemson University's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 436 documented contamination sites on the federal record near Clemson University, the closest PFAS record under a tenth of a mile out from the town centreFederal environmental registers
- Clemson University's boundary and the 1,355 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~248-day seasonGrowable Ground crop-matching engine
- The ecoregion at Clemson University's own centroid, the PiedmontUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Clemson University has no normal of its own, so its county's is the closest measured readfrom Pickens County
- Soil character — no town-scale survey exists, so Clemson University's 1,355 acres read through its county's SSURGO summaryfrom Pickens County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Pickens 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 Pickens County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Clemson University's 1,355 acreswhy one lot differs from the next →
- Which side of Clemson University you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,355 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest PFAS record under a tenth of a mile 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 Clemson University-wide figureread your own land →