Coronaca, South Carolina, sits in USDA hardiness zone 8a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Expect cabbage, fig, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Coronaca, 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 Coronaca 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 Coronaca — soil, climate, flood, and parcel records. How we handle your address.
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Coronaca — the short answer
Coronaca, South Carolina: USDA zone 8a, about 254 days between hard freezes, across 1K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 12
- Greenwood County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 21
- Greenwood County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~254
- Greenwood County normal — NOAA 1991–2020, nearest to this town
- Town area
- 1K 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 Greenwood County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8a is Coronaca's average, not your lot's — a low corner or a tree line moves it. Against Coronaca's 254-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Coronaca
Each reading below is measured for Coronaca itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsCoronaca runs about 254 days between hard freezes (read from Greenwood County, the closest normal to Coronaca) — 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
MeasuredCoronaca 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 Coronaca is in
Coronaca sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Coronaca's own centroid rather than borrowed from Greenwood County.
What Grows in Coronaca
Every plant below cleared Coronaca's own zone 8a and its 254-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Coronaca?
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 12; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 21 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
What's on the federal record near Coronaca
Closest first, within ~10 miles of Coronaca. Listing isn't leaking, and distance isn't exposure.
- BI-LO LLCUnderground Storage Tanks · 1.0 mi
- ONE STOP OF CORONACAUnderground Storage Tanks · 1.0 mi
- VILLAGE STOREUnderground Storage Tanks · 1.0 mi
- GREENWOOD MOTOR LINES INCUnderground Storage Tanks · 1.1 mi
- GREENWOOD MUSIC COUnderground Storage Tanks · 1.1 mi
- KEMET:GREENWOOD-CLOSEDToxics Release Inventory · 1.5 mi
- VELUX GREENWOOD LLC -VELTERM FACILITYBrownfields · 1.9 mi
- GREENWOOD COUNTY SCHOOL BUS SHOPUnderground Storage Tanks · 2.0 mi
- CARLISLE TIRE & WHEEL COMPANY GREENWOODBrownfields · 2.0 mi
- FUJIFILM HOLDINGS AMERICA CORPORATION DISTRIBUTION CENTER, DCBrownfields · 2.1 mi
- SC DEPARTMENT OF EDUCATION GREENWOOD BUS SHOPBrownfields · 2.1 mi
- UPS GREENWOODUnderground Storage Tanks · 2.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Coronaca'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 Coronaca.
Total Sites
407
within ~10 miles of Coronaca
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Coronaca
Severity Distribution
within ~10 miles of Coronaca
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Coronaca, two things run higher than the national average within ~10 miles of Coronaca — Toxics Release Inventory (34 sites) and Underground Storage Tanks (271 sites). That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Coronaca
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 Coronaca average
Your land is one point inside Coronaca
Everything above resolves to Coronaca as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Greenwood 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 Coronaca Average
Coronaca Average
- ●USDA Zones 8a, averaged across Coronaca
- ●One soil character for all of Coronaca
- ●Frost dates read at Coronaca's scale: Mar 12 to Nov 21
YOUR Parcel
- ✓Your exact zone, not Coronaca's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Coronaca
Pull a site-specific report for your exact address in Coronaca, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Coronaca averages can't show:
We read public map data around Coronaca — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Coronaca average
How we know this about Coronaca
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 Greenwood 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 Coronaca
When does frost risk typically end in Coronaca?
The last hard freeze (28°F) in Coronaca typically lands around Mar 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 Apr 2.
When is the first frost in Coronaca?
The first hard freeze (28°F) in Coronaca typically arrives around Nov 21, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 7, so the watching starts about Oct 22 — about 254 days after the spring freeze cleared.
How long is the growing season in Coronaca?
Measured between 28°F hard freezes, Coronaca sees about 254 frost-free days — roughly Mar 12 through Nov 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 2 to Nov 7, about 219 days.
Is the soil safe to grow vegetables in Coronaca?
The federal record around Coronaca is a meaningful one — 407 documented sites, mostly Underground Storage Tanks entries (271), the nearest Underground Storage Tanks record about 1.0 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 Coronaca?
From about Oct 22 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 21 (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 21. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Coronaca's scale — its 8a band and its 254-day season. Your yard writes its own version of Coronaca'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 Coronaca’s own scale
5 of the readings below were taken at Coronaca's own scale — the 1,075 acres it covers and 407 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Coronaca's own USDA hardiness band, zones 8aUSDA PHZM 2023
- 407 documented contamination sites on the federal record near Coronaca, the closest Underground Storage Tanks record about 1.0 miles out from the town centreFederal environmental registers
- Coronaca's boundary and the 1,075 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~254-day seasonGrowable Ground crop-matching engine
- The ecoregion at Coronaca's own centroid, the PiedmontUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Coronaca has no normal of its own, so its county's is the closest measured readfrom Greenwood County
- Soil character — no town-scale survey exists, so Coronaca's 1,075 acres read through its county's SSURGO summaryfrom Greenwood County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Greenwood 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 Greenwood County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Coronaca's 1,075 acreswhy one lot differs from the next →
- Which side of Coronaca you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,075 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 1.0 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 Coronaca-wide figureread your own land →
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