Summerville, 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.
These conditions suit cabbage, fig, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Summerville, 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 Summerville 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 Summerville — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Summerville — the short answer
Summerville, South Carolina: USDA zone 8b, about 290 days between hard freezes, across 14K 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
- 14K 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 Summerville's average, not your lot's — a low corner or a tree line moves it. Against Summerville's 290-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Summerville
Each reading below is measured for Summerville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsSummerville runs about 290 days between hard freezes (read from Dorchester County, the closest normal to Summerville) — 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
MeasuredSummerville 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 Summerville is in
Summerville sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Summerville's own centroid rather than borrowed from Dorchester County.
What Grows in Summerville
Every plant below cleared Summerville'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 Summerville?
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 Summerville
Survey cells within 31 miles of Summerville checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 157 miles off. What to watch for.
What's on the federal record near Summerville
Closest first, within ~10 miles of Summerville. Listing isn't leaking, and distance isn't exposure.
- 7-ELEVEN 40383Underground Storage Tanks · 2300 ft
- COSMOPROF #6511Brownfields · 0.6 mi
- EXXON CHEMICAL AMERICASUnderground Storage Tanks · 0.6 mi
- CUTHBERT COMMUNITY CENTERUnderground Storage Tanks · 0.6 mi
- BOB SUMMERSET FORDBrownfields · 0.7 mi
- BOB SUMMERSET FORDUnderground Storage Tanks · 0.7 mi
- SELLARS PAINT AND BODY SHOP INCORPORATEDBrownfields · 0.7 mi
- ABANDONED SERVICE STATIONUnderground Storage Tanks · 0.7 mi
- MORRIS KNIGHTS GROCUnderground Storage Tanks · 0.7 mi
- GOODYEAR TIRE & RUBBER COUnderground Storage Tanks · 0.7 mi
- DAVIS MODERNIZEBrownfields · 0.7 mi
- CIRCLE K 2720788Underground Storage Tanks · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Summerville'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 Summerville.
Total Sites
730
within ~10 miles of Summerville
Risk Level
Elevated
Highest-severity
4 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Summerville
Severity Distribution
within ~10 miles of Summerville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Summerville, Toxics Release Inventory runs higher than the national average — 70 sites within ~10 miles of Summerville. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around 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 Summerville
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 Summerville average
Your land is one point inside Summerville
Everything above resolves to Summerville as a whole — one PHZM band, read across 14K 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 Summerville Average
Summerville Average
- ●USDA Zones 8b, averaged across Summerville
- ●One soil character for all of Summerville
- ●Frost dates read at Summerville's scale: Feb 20 to Dec 7
YOUR Parcel
- ✓Your exact zone, not Summerville's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Summerville
Pull a site-specific report for your exact address in Summerville, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Summerville averages can't show:
We read public map data around Summerville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Summerville average
How we know this about Summerville
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 Summerville
When does frost risk typically end in Summerville?
The last hard freeze (28°F) in Summerville 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 Summerville?
The first hard freeze (28°F) in Summerville 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 Summerville?
Measured between 28°F hard freezes, Summerville 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 Summerville?
The federal record around Summerville is a meaningful one — 730 documented sites, mostly Underground Storage Tanks entries (338), the nearest Underground Storage Tanks 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.
How do I protect my plants from frost in Summerville?
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 Summerville's scale — its 8b band and its 290-day season. Your yard writes its own version of Summerville'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 Summerville’s own scale
6 of the readings below were taken at Summerville's own scale — the 14,463 acres it covers and 730 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Summerville's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 730 documented contamination sites on the federal record near Summerville, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Summerville's boundary and the 14,463 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 Summerville's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- Lanternfly survey cells around Summerville checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Summerville 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 Summerville's 14,463 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 Summerville's 14,463 acreswhy one lot differs from the next →
- Which side of Summerville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 14,463 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.4 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 Summerville-wide figureread your own land →