Warrenville, 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 Warrenville, 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 Warrenville 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 Warrenville — soil, climate, flood, and parcel records. How we handle your address.
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Warrenville — the short answer
Warrenville, South Carolina: USDA zone 8b, about 269 days between hard freezes, across 694 acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 5
- Aiken County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 29
- Aiken County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~269
- Aiken County normal — NOAA 1991–2020, nearest to this town
- Town area
- 694 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 Aiken County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Warrenville's average, not your lot's — a low corner or a tree line moves it. Against Warrenville's 269-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Warrenville
Each reading below is measured for Warrenville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsWarrenville runs about 269 days between hard freezes (read from Aiken County, the closest normal to Warrenville) — 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
MeasuredWarrenville 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 Warrenville is in
Warrenville sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Warrenville's own centroid rather than borrowed from Aiken County.
What Grows in Warrenville
Every plant below cleared Warrenville's own zone 8b and its 269-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Warrenville?
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 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 5 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 29 — long-season crops need about 90 days of runway, quick greens only 30. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.
Documented around Warrenville
Survey cells within 31 miles of Warrenville checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 133 miles off. What to watch for.
What's on the federal record near Warrenville
Closest first, within ~10 miles of Warrenville. Listing isn't leaking, and distance isn't exposure.
- SC ARMY NATIONAL GUARD CO C 122 ENG BNUnderground Storage Tanks · 1000 ft
- J M HUBER CORPORATIONUnderground Storage Tanks · 0.5 mi
- CIRCLE K 2723247Underground Storage Tanks · 0.5 mi
- AVONDALE MILLS WARRENToxics Release Inventory · 0.5 mi
- FAMILY DOLLAR 10560Brownfields · 0.5 mi
- GREEN ENERGY BIOFUELBrownfields · 0.6 mi
- HONDA CARS OF AIKEN WARRENVILLEBrownfields · 0.8 mi
- PANTRY 542Underground Storage Tanks · 0.9 mi
- RACERS GASUnderground Storage Tanks · 0.9 mi
- SPRADLEY TEXACOUnderground Storage Tanks · 1.0 mi
- PO BOYS CONV STOREUnderground Storage Tanks · 1.0 mi
- TAYLORS BPUnderground Storage Tanks · 1.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Warrenville'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 Warrenville.
Sources Checked
within ~10 miles of Warrenville
Severity Distribution
within ~10 miles of Warrenville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Warrenville, two things run higher than the national average within ~10 miles of Warrenville — Superfund (11 sites) and Toxics Release Inventory (44 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Warrenville
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 Warrenville average
Your land is one point inside Warrenville
Everything above resolves to Warrenville as a whole — one PHZM band, read across 694 acres, with hard-freeze dates borrowed from Aiken 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 Warrenville Average
Warrenville Average
- ●USDA Zones 8b, averaged across Warrenville
- ●One soil character for all of Warrenville
- ●Frost dates read at Warrenville's scale: Mar 5 to Nov 29
YOUR Parcel
- ✓Your exact zone, not Warrenville's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Warrenville
Pull a site-specific report for your exact address in Warrenville, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Warrenville averages can't show:
We read public map data around Warrenville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Warrenville average
How we know this about Warrenville
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 Aiken 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 Warrenville
When does frost risk typically end in Warrenville?
The last hard freeze (28°F) in Warrenville typically lands around Mar 5, 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 26.
When is the first frost in Warrenville?
The first hard freeze (28°F) in Warrenville typically arrives around Nov 29, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 15, so the watching starts about Oct 30 — about 269 days after the spring freeze cleared.
How long is the growing season in Warrenville?
Measured between 28°F hard freezes, Warrenville sees about 269 frost-free days — roughly Mar 5 through Nov 29, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 26 to Nov 15, about 234 days.
Is the soil safe to grow vegetables in Warrenville?
The federal record around Warrenville is a meaningful one — 575 documented sites, mostly Underground Storage Tanks entries (339), the nearest Underground Storage Tanks record about 0.2 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 Warrenville?
From about Oct 30 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 29 (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 29. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Warrenville's scale — its 8b band and its 269-day season. Your yard writes its own version of Warrenville'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 Warrenville’s own scale
6 of the readings below were taken at Warrenville's own scale — the 694 acres it covers and 575 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Warrenville's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 575 documented contamination sites on the federal record near Warrenville, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Warrenville's boundary and the 694 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~269-day seasonGrowable Ground crop-matching engine
- The ecoregion at Warrenville's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Warrenville checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Warrenville has no normal of its own, so its county's is the closest measured readfrom Aiken County
- Soil character — no town-scale survey exists, so Warrenville's 694 acres read through its county's SSURGO summaryfrom Aiken County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Aiken 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 Aiken County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Warrenville's 694 acreswhy one lot differs from the next →
- Which side of Warrenville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 694 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Warrenville-wide figureread your own land →
More in South Carolina
Wider growing context
What grows across South CarolinaWarrenville sits outside our named growing regions, so South Carolina as a whole is its closest context here.
Nearby growing guides