Coosawhatchie, South Carolina, sits in USDA hardiness zone 8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
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 Coosawhatchie, 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 Coosawhatchie 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 Coosawhatchie — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Coosawhatchie — the short answer
Coosawhatchie, South Carolina: USDA zone 8b, about 302 days between hard freezes, across 374 acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 12
- Jasper County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 11
- Jasper County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~302
- Jasper County normal — NOAA 1991–2020, nearest to this town
- Town area
- 374 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 Jasper County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Coosawhatchie's average, not your lot's — a low corner or a tree line moves it. Against Coosawhatchie's 302-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Coosawhatchie
Each reading below is measured for Coosawhatchie itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsCoosawhatchie runs about 302 days between hard freezes (read from Jasper County, the closest normal to Coosawhatchie) — 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
MeasuredCoosawhatchie 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 Coosawhatchie is in
Coosawhatchie sits in the Southern Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Coosawhatchie's own centroid, and it is not what its county reads: Jasper County is mostly Middle Atlantic Coastal Plain. The wider page above you is answering a different question about different ground.
What Grows in Coosawhatchie
Every plant below cleared Coosawhatchie's own zone 8b and its 302-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Coosawhatchie?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Jan 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 11 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.
What's on the federal record near Coosawhatchie
Closest first, within ~10 miles of Coosawhatchie. Listing isn't leaking, and distance isn't exposure.
- HORTONS BPUnderground Storage Tanks · 1700 ft
- W V CROSBY GROCERYUnderground Storage Tanks · 1700 ft
- TIGER EXPRESS COOSAWHATCHIE LLCUnderground Storage Tanks · 1800 ft
- XPRESS LANE #9Underground Storage Tanks · 2100 ft
- COOSAWHATCHIE GENERAL STOREUnderground Storage Tanks · 2100 ft
- STUCKEYS CONVENIENCE STOREUnderground Storage Tanks · 2300 ft
- BROWN BAGUnderground Storage Tanks · 2500 ft
- JOHNSON PROPERTYUnderground Storage Tanks · 2.9 mi
- RICHARD JOHNSON PROPERTYUnderground Storage Tanks · 2.9 mi
- SC675Underground Storage Tanks · 3.0 mi
- GARVINS CORNER STOREUnderground Storage Tanks · 3.4 mi
- GOSWICK GROCERYUnderground Storage Tanks · 3.4 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Coosawhatchie'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 Coosawhatchie.
Total Sites
136
within ~10 miles of Coosawhatchie
Risk Level
Moderate
Highest-severity
16 brownfield sites
Sources Checked
within ~10 miles of Coosawhatchie
Severity Distribution
within ~10 miles of Coosawhatchie
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Coosawhatchie, Underground Storage Tanks runs higher than the national average — 102 sites within ~10 miles of Coosawhatchie. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Coosawhatchie
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 Coosawhatchie average
Your land is one point inside Coosawhatchie
Everything above resolves to Coosawhatchie as a whole — one PHZM band, read across 374 acres, with hard-freeze dates borrowed from Jasper 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 Coosawhatchie Average
Coosawhatchie Average
- ●USDA Zones 8b, averaged across Coosawhatchie
- ●One soil character for all of Coosawhatchie
- ●Frost dates read at Coosawhatchie's scale: Feb 12 to Dec 11
YOUR Parcel
- ✓Your exact zone, not Coosawhatchie's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Coosawhatchie
Pull a site-specific report for your exact address in Coosawhatchie, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Coosawhatchie averages can't show:
We read public map data around Coosawhatchie — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Coosawhatchie average
How we know this about Coosawhatchie
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 Jasper 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 Coosawhatchie
When does frost risk typically end in Coosawhatchie?
The last hard freeze (28°F) in Coosawhatchie typically lands around Feb 12, 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 5.
When is the first frost in Coosawhatchie?
The first hard freeze (28°F) in Coosawhatchie typically arrives around Dec 11, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 27, so the watching starts about Nov 11 — about 302 days after the spring freeze cleared.
How long is the growing season in Coosawhatchie?
Measured between 28°F hard freezes, Coosawhatchie sees about 302 frost-free days — roughly Feb 12 through Dec 11, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 5 to Nov 27, about 267 days.
Is the soil safe to grow vegetables in Coosawhatchie?
The federal record around Coosawhatchie shows 136 documented sites, mostly Underground Storage Tanks entries (102), the nearest Underground Storage Tanks record about 0.3 miles 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 Coosawhatchie?
From about Nov 11 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 11 (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 11. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Coosawhatchie's scale — its 8b band and its 302-day season. Your yard writes its own version of Coosawhatchie'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 Coosawhatchie’s own scale
5 of the readings below were taken at Coosawhatchie's own scale — the 374 acres it covers and 136 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Coosawhatchie's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 136 documented contamination sites on the federal record near Coosawhatchie, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Coosawhatchie's boundary and the 374 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~302-day seasonGrowable Ground crop-matching engine
- Coosawhatchie sits in the Southern Coastal Plain — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Coosawhatchie has no normal of its own, so its county's is the closest measured readfrom Jasper County
- Soil character — no town-scale survey exists, so Coosawhatchie's 374 acres read through its county's SSURGO summaryfrom Jasper County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Jasper 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 Jasper County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Coosawhatchie's 374 acreswhy one lot differs from the next →
- Which side of Coosawhatchie you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 374 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 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 Coosawhatchie-wide figureread your own land →