Ridgeville, South Carolina, sits in USDA hardiness zone 8b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Among the crops suited to this profile: cabbage, fig, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Ridgeville, 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 Ridgeville 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 Ridgeville — soil, climate, flood, and parcel records. How we handle your address.
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Ridgeville — the short answer
Ridgeville, South Carolina: USDA zone 8b, about 290 days between hard freezes, across 1K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 20
- Dorchester County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 7
- Dorchester County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~290
- Dorchester 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 Dorchester County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Ridgeville's average, not your lot's — a low corner or a tree line moves it. Against Ridgeville's 290-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Ridgeville
Each reading below is measured for Ridgeville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsRidgeville runs about 290 days between hard freezes (read from Dorchester County, the closest normal to Ridgeville) — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredRidgeville 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 Ridgeville is in
Ridgeville sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Ridgeville's own centroid rather than borrowed from Dorchester County.
What Grows in Ridgeville
Every plant below cleared Ridgeville's own zone 8b and its 290-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Ridgeville?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Jan 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 20 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 7 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.
Documented around Ridgeville
Survey cells within 31 miles of Ridgeville checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 160 miles off. What to watch for.
What's on the federal record near Ridgeville
Closest first, within ~10 miles of Ridgeville. Listing isn't leaking, and distance isn't exposure.
- CARTERS FAST STOP NO 2Underground Storage Tanks · 0.5 mi
- WILLIAM M REEVES SRUnderground Storage Tanks · 0.5 mi
- GIVHANS FERRY STATE PARKUnderground Storage Tanks · 0.5 mi
- FERGUSON'S GROCERYUnderground Storage Tanks · 0.5 mi
- YOUNGS GROCERYUnderground Storage Tanks · 0.5 mi
- J&R GROCERYUnderground Storage Tanks · 0.5 mi
- HERBERT ROWELL JRUnderground Storage Tanks · 0.5 mi
- VAUGHANS INCUnderground Storage Tanks · 0.6 mi
- LIEBER CORRECTIONAL INSTITUTIONUnderground Storage Tanks · 0.8 mi
- J F CLECKLEY & CO PLANT #3Brownfields · 1.0 mi
- SCDC DIV OF IND LIEBER CORRECTIONSBrownfields · 1.1 mi
- KEY WEST BOATS - PLANT 3Brownfields · 1.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Ridgeville'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 Ridgeville.
Total Sites
296
within ~10 miles of Ridgeville
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Ridgeville
Severity Distribution
within ~10 miles of Ridgeville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Ridgeville, Toxics Release Inventory runs higher than the national average — 34 sites within ~10 miles of Ridgeville. 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.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Ridgeville
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 Ridgeville average
Your land is one point inside Ridgeville
Everything above resolves to Ridgeville as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Dorchester 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 Ridgeville Average
Ridgeville Average
- ●USDA Zones 8b, averaged across Ridgeville
- ●One soil character for all of Ridgeville
- ●Frost dates read at Ridgeville's scale: Feb 20 to Dec 7
YOUR Parcel
- ✓Your exact zone, not Ridgeville's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Ridgeville
Pull a site-specific report for your exact address in Ridgeville, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Ridgeville averages can't show:
We read public map data around Ridgeville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Ridgeville average
How we know this about Ridgeville
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 Dorchester 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 Ridgeville
When does frost risk typically end in Ridgeville?
The last hard freeze (28°F) in Ridgeville typically lands around Feb 20, 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 Mar 13.
When is the first frost in Ridgeville?
The first hard freeze (28°F) in Ridgeville typically arrives around Dec 7, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 23, so the watching starts about Nov 7 — about 290 days after the spring freeze cleared.
How long is the growing season in Ridgeville?
Measured between 28°F hard freezes, Ridgeville sees about 290 frost-free days — roughly Feb 20 through Dec 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 13 to Nov 23, about 255 days.
Is the soil safe to grow vegetables in Ridgeville?
The federal record around Ridgeville is a meaningful one — 296 documented sites, mostly Underground Storage Tanks entries (150), the nearest Underground Storage Tanks record about 0.5 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 Ridgeville?
From about Nov 7 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 Dec 7 (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 Dec 7. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Ridgeville's scale — its 8b band and its 290-day season. Your yard writes its own version of Ridgeville'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 Ridgeville’s own scale
6 of the readings below were taken at Ridgeville's own scale — the 1,149 acres it covers and 296 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Ridgeville's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 296 documented contamination sites on the federal record near Ridgeville, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Ridgeville's boundary and the 1,149 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~290-day seasonGrowable Ground crop-matching engine
- The ecoregion at Ridgeville's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Ridgeville checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Ridgeville has no normal of its own, so its county's is the closest measured readfrom Dorchester County
- Soil character — no town-scale survey exists, so Ridgeville's 1,149 acres read through its county's SSURGO summaryfrom Dorchester County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Dorchester 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 Dorchester County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Ridgeville's 1,149 acreswhy one lot differs from the next →
- Which side of Ridgeville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,149 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Ridgeville-wide figureread your own land →