St. Stephen, 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.
Reliable performers under these conditions include cabbage, fig, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in St. Stephen, 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 St. Stephen 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 St. Stephen — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
St. Stephen — the short answer
St. Stephen, South Carolina: USDA zone 8b, about 285 days between hard freezes, across 2K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 22
- Berkeley County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 4
- Berkeley County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~285
- Berkeley County normal — NOAA 1991–2020, nearest to this town
- Town area
- 2K 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 Berkeley County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is St. Stephen's average, not your lot's — a low corner or a tree line moves it. Against St. Stephen's 285-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in St. Stephen
Each reading below is measured for St. Stephen itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsSt. Stephen runs about 285 days between hard freezes (read from Berkeley County, the closest normal to St. Stephen) — 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
MeasuredSt. Stephen 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 St. Stephen is in
St. Stephen sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at St. Stephen's own centroid rather than borrowed from Berkeley County.
What Grows in St. Stephen
Every plant below cleared St. Stephen's own zone 8b and its 285-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in St. Stephen?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Jan 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 4 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.
Documented around St. Stephen
Survey cells within 31 miles of St. Stephen checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 131 miles off. What to watch for.
What's on the federal record near St. Stephen
Closest first, within ~10 miles of St. Stephen. Listing isn't leaking, and distance isn't exposure.
- ST STEPHENS SHELLUnderground Storage Tanks · 250 ft
- CIRCLE K 2723363Underground Storage Tanks · 350 ft
- FAST POINT 49Underground Storage Tanks · 400 ft
- L R GROOMSUnderground Storage Tanks · 400 ft
- CORNER STOP 43 SC 671Underground Storage Tanks · 500 ft
- SMALLS AMOCOUnderground Storage Tanks · 650 ft
- HOODS GROCERYUnderground Storage Tanks · 800 ft
- MARY MCCLENNON'S GROCERYUnderground Storage Tanks · 800 ft
- JETS SERVICENTERUnderground Storage Tanks · 800 ft
- FORMER SERVICE STATIONUnderground Storage Tanks · 850 ft
- FORMER JERRIE JOY PROPERTYUnderground Storage Tanks · 950 ft
- ST STEPHEN TOWN OFUnderground Storage Tanks · 1100 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from St. Stephen'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 St. Stephen.
Total Sites
120
within ~10 miles of St. Stephen
Risk Level
Moderate
Highest-severity
3 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of St. Stephen
Severity Distribution
within ~10 miles of St. Stephen
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around St. Stephen, Nitrate runs higher than the national average — 36 sites within ~10 miles of St. Stephen. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in St. Stephen
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 St. Stephen average
Your land is one point inside St. Stephen
Everything above resolves to St. Stephen as a whole — one PHZM band, read across 2K acres, with hard-freeze dates borrowed from Berkeley 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 St. Stephen Average
St. Stephen Average
- ●USDA Zones 8b, averaged across St. Stephen
- ●One soil character for all of St. Stephen
- ●Frost dates read at St. Stephen's scale: Feb 22 to Dec 4
YOUR Parcel
- ✓Your exact zone, not St. Stephen's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in St. Stephen
Pull a site-specific report for your exact address in St. Stephen, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that St. Stephen averages can't show:
We read public map data around St. Stephen — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the St. Stephen average
How we know this about St. Stephen
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 Berkeley 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 St. Stephen
When does frost risk typically end in St. Stephen?
The last hard freeze (28°F) in St. Stephen typically lands around Feb 22, 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 15.
When is the first frost in St. Stephen?
The first hard freeze (28°F) in St. Stephen typically arrives around Dec 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 20, so the watching starts about Nov 4 — about 285 days after the spring freeze cleared.
How long is the growing season in St. Stephen?
Measured between 28°F hard freezes, St. Stephen sees about 285 frost-free days — roughly Feb 22 through Dec 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 15 to Nov 20, about 250 days.
Is the soil safe to grow vegetables in St. Stephen?
The federal record around St. Stephen shows 120 documented sites, mostly Underground Storage Tanks entries (71), the nearest Underground Storage Tanks record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in St. Stephen?
From about Nov 4 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at St. Stephen's scale — its 8b band and its 285-day season. Your yard writes its own version of St. Stephen'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 St. Stephen’s own scale
6 of the readings below were taken at St. Stephen's own scale — the 1,713 acres it covers and 120 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- St. Stephen's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 120 documented contamination sites on the federal record near St. Stephen, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- St. Stephen's boundary and the 1,713 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~285-day seasonGrowable Ground crop-matching engine
- The ecoregion at St. Stephen's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around St. Stephen checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — St. Stephen has no normal of its own, so its county's is the closest measured readfrom Berkeley County
- Soil character — no town-scale survey exists, so St. Stephen's 1,713 acres read through its county's SSURGO summaryfrom Berkeley County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Berkeley 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 Berkeley County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among St. Stephen's 1,713 acreswhy one lot differs from the next →
- Which side of St. Stephen you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,713 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 St. Stephen-wide figureread your own land →