Edgefield, South Carolina, sits in USDA hardiness zone 8a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Growers here do well with cabbage, fig, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Edgefield, 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 Edgefield 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 Edgefield — soil, climate, flood, and parcel records. How we handle your address.
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Edgefield — the short answer
Edgefield, South Carolina: USDA zone 8a, about 259 days between hard freezes, across 3K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 10
- Edgefield County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 24
- Edgefield County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~259
- Edgefield County normal — NOAA 1991–2020, nearest to this town
- Town area
- 3K 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 Edgefield County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8a is Edgefield's average, not your lot's — a low corner or a tree line moves it. Against Edgefield's 259-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Edgefield
Each reading below is measured for Edgefield itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsEdgefield runs about 259 days between hard freezes (read from Edgefield County, the closest normal to Edgefield) — 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
MeasuredEdgefield 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 Edgefield is in
Edgefield sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Edgefield's own centroid rather than borrowed from Edgefield County.
What Grows in Edgefield
Every plant below cleared Edgefield's own zone 8a and its 259-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Edgefield?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 10 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 24 — 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.
Documented around Edgefield
Survey cells within 31 miles of Edgefield checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 115 miles off. What to watch for.
What's on the federal record near Edgefield
Closest first, within ~10 miles of Edgefield. Listing isn't leaking, and distance isn't exposure.
- AUGUSTA GA RCAGUnderground Storage Tanks · 650 ft
- MCLADNEK LLCBrownfields · 900 ft
- COVARS GULFUnderground Storage Tanks · 1400 ft
- EDGEFIELD SHELLUnderground Storage Tanks · 1400 ft
- EDGEFIELD TOWN OFUnderground Storage Tanks · 1400 ft
- MAIN STREET WAREHOUSEUnderground Storage Tanks · 1400 ft
- MAIN ST AMOCO STAUnderground Storage Tanks · 1500 ft
- EDGEFIELD FUEL & CONVENIENCE 3Underground Storage Tanks · 1500 ft
- EDGEFIELD COUNTY COUNCILUnderground Storage Tanks · 1500 ft
- MAIN STREET TEXACOUnderground Storage Tanks · 1600 ft
- EFC 9Underground Storage Tanks · 1600 ft
- RIDGE MART IUnderground Storage Tanks · 1700 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Edgefield'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 Edgefield.
Total Sites
121
within ~10 miles of Edgefield
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Edgefield
Severity Distribution
within ~10 miles of Edgefield
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Edgefield, two things run higher than the national average within ~10 miles of Edgefield — Underground Storage Tanks (86 sites) and Toxics Release Inventory (8 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Edgefield
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 Edgefield average
Your land is one point inside Edgefield
Everything above resolves to Edgefield as a whole — one PHZM band, read across 3K acres, with hard-freeze dates borrowed from Edgefield 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 Edgefield Average
Edgefield Average
- ●USDA Zones 8a, averaged across Edgefield
- ●One soil character for all of Edgefield
- ●Frost dates read at Edgefield's scale: Mar 10 to Nov 24
YOUR Parcel
- ✓Your exact zone, not Edgefield's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Edgefield
Pull a site-specific report for your exact address in Edgefield, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Edgefield averages can't show:
We read public map data around Edgefield — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Edgefield average
How we know this about Edgefield
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 Edgefield 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 Edgefield
When does frost risk typically end in Edgefield?
The last hard freeze (28°F) in Edgefield typically lands around Mar 10, 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 31.
When is the first frost in Edgefield?
The first hard freeze (28°F) in Edgefield typically arrives around Nov 24, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 10, so the watching starts about Oct 25 — about 259 days after the spring freeze cleared.
How long is the growing season in Edgefield?
Measured between 28°F hard freezes, Edgefield sees about 259 frost-free days — roughly Mar 10 through Nov 24, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 31 to Nov 10, about 224 days.
Is the soil safe to grow vegetables in Edgefield?
The federal record around Edgefield is a meaningful one — 121 documented sites, mostly Underground Storage Tanks entries (86), the nearest Underground Storage Tanks record about 0.1 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 Edgefield?
From about Oct 25 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 24 (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 24. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Edgefield's scale — its 8a band and its 259-day season. Your yard writes its own version of Edgefield'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 Edgefield’s own scale
6 of the readings below were taken at Edgefield's own scale — the 2,771 acres it covers and 121 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Edgefield's own USDA hardiness band, zones 8aUSDA PHZM 2023
- 121 documented contamination sites on the federal record near Edgefield, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Edgefield's boundary and the 2,771 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~259-day seasonGrowable Ground crop-matching engine
- The ecoregion at Edgefield's own centroid, the PiedmontUS EPA Level III Ecoregions
- Lanternfly survey cells around Edgefield checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Edgefield has no normal of its own, so its county's is the closest measured readfrom Edgefield County
- Soil character — no town-scale survey exists, so Edgefield's 2,771 acres read through its county's SSURGO summaryfrom Edgefield County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Edgefield 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 Edgefield County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Edgefield's 2,771 acreswhy one lot differs from the next →
- Which side of Edgefield you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,771 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 Edgefield-wide figureread your own land →
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