Greenwood County, in South 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.
A short list that earns its place here — cabbage, fig, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Greenwood County lies within the Piedmont — a regional growing area with its own character.
Grounded in USDA PHZM 2023 · Growable Ground suitability scoring · NOAA 1991–2020 Climate Normals
Greenwood County holds more than one microclimate.
Soils and elevations shift across Greenwood County, so your frost dates and drainage aren't the county average. 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 Greenwood County — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Greenwood County — the short answer
Greenwood County, South Carolina: USDA zone 8a, about 254 days between hard freezes, across 292K acres.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 12
- NOAA 1991–2020 Climate Normals, 28°F
- First hard freeze (28°F)
- Nov 21
- NOAA 1991–2020 Climate Normals, 28°F
- Days between freezes
- ~254
- NOAA 1991–2020 Climate Normals, 28°F
- County area
- 292K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are county 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 Greenwood County's average, not your lot's — a low corner or a tree line moves it. Against Greenwood County's 254-day season, see what your own ground reads.
Heat and winter chill in Greenwood County
Across a year, Greenwood County accumulates about 4,797 growing degree days above 50°F, about 351 fewer than the middle South Carolina county — ahead of 11 of South Carolina’s 46 counties. Degree days are the heat a crop actually gets to work with — more of them is more room to ripen a long-season crop before the freeze closes the window.
Winter banks about 1,544 hours below 45°F, 182 more than the South Carolina middle of 1,362. Chill is what tells a fruit tree its dormancy is over, and it is set by climate rather than by anything you can build.
Grounded in PRISM Climate Group, Oregon State University — 1991–2020 monthly normals
Soil in Greenwood County
Across Greenwood County, the ground is predominantly Ultisols, where Cecil, Hiwassee, and Georgeville are the most extensive named soil series. The soil is generally well drained with a sandy loam surface. Topsoil pH runs about 5.3–5.8, strongly acidic. Rainfall drains through hydrologic group B soils.
Soil order
Ultisols
Drainage
Well drained
Prime farmland
35%
Hydric soils
0%
Soil still varies lot by lot — soil types explained.
How the ground varies across Greenwood County
The USDA soil survey maps 82% of Greenwood County as well drained — but another 16% drains differently: 8% somewhat poorly drained, 7% moderately well drained.
Cecil is the most extensive named soil at 26% of mapped acres, then Hiwassee (10%) and Georgeville (9%).
Which of them your own lot sits on is a parcel question, not a county one. Check your address for the survey at your boundary.
What this means for growing in Greenwood County
Each reading below is measured for Greenwood County itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Drainage
MeasuredThe dominant soils across Greenwood County are well drained, in hydrologic group B — ground that drains quickly.
The upside is soil you can work early in spring and roots that never drown; the cost is that fast-draining ground dries out fast and leaches nutrients away before plants can use them.
Work in compost and mulch to hold moisture and feed, and water more often in short doses than deep and rarely.
USDA NRCS SSURGO
Surface pH
MeasuredTopsoil across Greenwood County runs about pH 5.3–5.8, on the acidic side.
Blueberries, potatoes, and rhododendrons thrive in it, but most vegetables start locking out nutrients below about pH 6.0 and grow pale and stunted no matter how much you feed them.
A measured lime application raises pH for the crops that need it — but test first, because the right rate depends on your own soil, not the county average.
USDA NRCS SSURGO
Season length
MeasuredGreenwood County runs about 254 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
MeasuredGreenwood County 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 Greenwood County is in
Greenwood County sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. One consistent ecological setting across the whole county.
What Grows in Greenwood County
We scored all 1,086 plants against Greenwood County's own USDA zone 8a and its own 254-day season between hard freezes, using the same matching engine that runs a full parcel report. These cleared both. Sun, soil pH and drainage vary lot by lot — those are the parcel questions below. Each card opens that plant's South Carolina profile.
Is it too late to plant in Greenwood County?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 12; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 21 — 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.
What gets applied to farmland in Greenwood County
USGS estimates 12,813 lb of 2,4-d on Greenwood County farmland in 2019, its largest by weight, ahead of Diuron (3,530 lb) and Triclopyr (2,746 lb).
Farmland across the whole county, not any one lot. Check your address for the site-by-site record.
Safe to Grow Here?
What the federal record shows across Greenwood County — and how to grow with it.
We checked the federal record across Greenwood County — 426 documented sites across 5 of the 9 source types we track.
The most significant on record: 3 Superfund sites (none NPL-listed). 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 Greenwood 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.
What's on the federal record near Greenwood County
Closest first, across Greenwood County. Listing isn't leaking, and distance isn't exposure.
- C&C METALSToxics Release Inventory · 1900 ft
- COLLINS 66Underground Storage Tanks · 0.7 mi
- DOLLAR GENERAL STORE #7279Brownfields · 0.7 mi
- CRICKET 3835Underground Storage Tanks · 0.7 mi
- 7 ELEVEN #36862Underground Storage Tanks · 0.7 mi
- KAYO SERVICE STATION (JET)Underground Storage Tanks · 0.7 mi
- PARKS GARAGEBrownfields · 0.7 mi
- QUICKWAYUnderground Storage Tanks · 0.7 mi
- PULLIAM TRUCKING COMPANYUnderground Storage Tanks · 0.8 mi
- HOLLY OAK CONVENIENCE STOREUnderground Storage Tanks · 1.0 mi
- HOT SPOT 13Underground Storage Tanks · 1.1 mi
- GREENWOOD MILLS MATHEWS PLANTUnderground Storage Tanks · 1.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Greenwood County'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 Greenwood County.
Total Sites
426
across Greenwood County
Risk Level
Elevated
Highest-severity
3 Superfund sites (none NPL-listed)
Sources Checked
across Greenwood County
Severity Distribution
across Greenwood County
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Greenwood County, two things run higher than the national average across Greenwood County — Toxics Release Inventory (36 sites) and Underground Storage Tanks (282 sites). That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Greenwood County
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 Greenwood County average
Your land is one point inside Greenwood County
Everything above resolves to Greenwood County as a whole — one PHZM band and one county frost record, read across 292K 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 county 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 county average.
Your Lot vs the Greenwood County Average
Greenwood County Average
- ●USDA Zones 8a, averaged across Greenwood County
- ●One soil character for all of Greenwood County
- ●Frost dates read at Greenwood County's scale: Mar 12 to Nov 21
YOUR Parcel
- ✓Your exact zone, not Greenwood County's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your parcel in Greenwood County
Pull a site-specific report for your exact address in Greenwood County, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Greenwood County averages can't show:
We read public map data around Greenwood County — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Greenwood County average
How we know this about Greenwood County
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at county grain; hard-freeze dates from NOAA 1991–2020 28°F normals at this county’s own record where one resolves, and the labelled statewide window where none does; soils from the USDA NRCS SSURGO survey, area-weighted across the county’s own map units; boundaries and acreage from US Census TIGER/Line 2025; the contamination and pesticide records from the federal sources named in their beats above. Where Greenwood County carries no record of its own, the figure is inherited and labelled — the resolution ledger below names each.
Common questions about Greenwood County
When does frost risk typically end in Greenwood County?
The last hard freeze (28°F) in Greenwood County typically lands around Mar 12, 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 2.
How long is the growing season in Greenwood County?
Measured between 28°F hard freezes, Greenwood County sees about 254 frost-free days — roughly Mar 12 through Nov 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 2 to Nov 7, about 219 days.
Is the soil safe to grow vegetables in Greenwood County?
The federal record around Greenwood County is a meaningful one — 426 documented sites, mostly Underground Storage Tanks entries (282), the nearest Toxics Release Inventory record about 0.4 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.
Everything above is measured at Greenwood County's scale — its 8a band and its 254-day season. Your yard writes its own version of Greenwood County's numbers: 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 South Carolina's frost window, season length, and soil profile against the plant's real requirements.
What this page reads at Greenwood County’s own scale
8 of the readings below were taken at Greenwood County's own scale — its own ~254-day span between 28°F freezes, the 3 most extensive soil series mapped here and 426 documented sites inside its boundary; one is borrowed from a wider read, named and linked below.
Measured here
- Greenwood County's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Greenwood County's own 28°F hard-freeze dates and its ~254-day span between themNOAA 1991–2020 Climate Normals
- The soil order, drainage, surface pH, and the 3 most extensive named soil series mapped in Greenwood CountyUSDA NRCS SSURGO
- 426 documented contamination sites inside the county boundary, distance-sorted from its center — the closest Toxics Release Inventory record about 0.4 miles outFederal environmental registers
- Greenwood County's boundary and the 291,587 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~254-day seasonGrowable Ground crop-matching engine
- Greenwood County sitting wholly inside the PiedmontUS EPA Level III Ecoregions
- Which agricultural compounds go onto Greenwood County farmland, and roughly how muchUSGS NAWQA EPest county estimates
Inherited from a wider read
- The growing challenges every South Carolina grower plans around — written at state scale, so they stay on the state guidefrom South Carolina
What this page can’t tell you
- How the season shifts across Greenwood County — the ~254 days above is one reading at its centre; the 12 towns below each carry their owntowns in this county →
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Greenwood County's 291,587 acreswhy one lot differs from the next →
- Which of those 426 documented sites actually reaches your soil — that needs your address, the wind, and the groundwater directionhow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — none of it survives being averaged over Greenwood Countyread your own land →