Cayce, South Carolina, sits in USDA hardiness zone 8b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
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 Cayce, 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 Cayce 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 Cayce — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Cayce — the short answer
Cayce, South Carolina: USDA zone 8b, about 265 days between hard freezes, across 11K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 6
- Lexington County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 26
- Lexington County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~265
- Lexington County normal — NOAA 1991–2020, nearest to this town
- City area
- 11K 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 Lexington County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Cayce's average, not your lot's — a low corner or a tree line moves it. Against Cayce's 265-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Cayce
Each reading below is measured for Cayce itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsCayce runs about 265 days between hard freezes (read from Lexington County, the closest normal to Cayce) — 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
MeasuredCayce 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 Cayce is in
Cayce sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Cayce's own centroid rather than borrowed from Lexington County.
What Grows in Cayce
Every plant below cleared Cayce's own zone 8b and its 265-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Cayce?
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 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 26 — 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 Cayce
Survey cells within 31 miles of Cayce checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 107 miles off. What to watch for.
What's on the federal record near Cayce
Closest first, within ~10 miles of Cayce. Listing isn't leaking, and distance isn't exposure.
- WILLIAMS DETROIT DIESELBrownfields · 0.6 mi
- LEXINGTON FAMILY PRACTICE- OTARRE POINTEBrownfields · 0.6 mi
- SOUTH CAROLINA ELECTRIC & GASUnderground Storage Tanks · 0.6 mi
- OWEN ELECTRIC STEEL CO OF SCUnderground Storage Tanks · 0.9 mi
- LEX- 127Nitrate · 1.0 mi
- CMC STEEL SCToxics Release Inventory · 1.0 mi
- CMC STEEL SCBrownfields · 1.0 mi
- OWEN ELECTRIC STEEL COMPANY OF SOUTH CAROLINAToxics Release Inventory · 1.1 mi
- DOMINION SOUTH CAROLINABrownfields · 1.1 mi
- BONITZ INCUnderground Storage Tanks · 1.2 mi
- PRECOAT METALSUnderground Storage Tanks · 1.3 mi
- SMI-OWEN MISCELLANEOUS METALS INCToxics Release Inventory · 1.3 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Cayce'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 Cayce.
Sources Checked
within ~10 miles of Cayce
Severity Distribution
within ~10 miles of Cayce
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Cayce, Underground Storage Tanks runs higher than the national average — 1,222 sites within ~10 miles of Cayce. 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 Cayce
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 Cayce average
Your land is one point inside Cayce
Everything above resolves to Cayce as a whole — one PHZM band, read across 11K acres, with hard-freeze dates borrowed from Lexington County’s record because no 30-year normal resolves at this city’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 city 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 Cayce Average
Cayce Average
- ●USDA Zones 8b, averaged across Cayce
- ●One soil character for all of Cayce
- ●Frost dates read at Cayce's scale: Mar 6 to Nov 26
YOUR Parcel
- ✓Your exact zone, not Cayce's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Cayce
Pull a site-specific report for your exact address in Cayce, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Cayce averages can't show:
We read public map data around Cayce — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Cayce average
How we know this about Cayce
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Lexington 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 city grain anywhere on this page — there is no city-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 Cayce
When does frost risk typically end in Cayce?
The last hard freeze (28°F) in Cayce typically lands around Mar 6, 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 27.
When is the first frost in Cayce?
The first hard freeze (28°F) in Cayce typically arrives around Nov 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 12, so the watching starts about Oct 27 — about 265 days after the spring freeze cleared.
How long is the growing season in Cayce?
Measured between 28°F hard freezes, Cayce sees about 265 frost-free days — roughly Mar 6 through Nov 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 27 to Nov 12, about 230 days.
Is the soil safe to grow vegetables in Cayce?
The federal record around Cayce runs heavier than most — 1,957 documented sites, mostly Underground Storage Tanks entries (1,222), the nearest Brownfields record about 0.6 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Cayce?
From about Oct 27 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 26 (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 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Cayce's scale — its 8b band and its 265-day season. Your yard writes its own version of Cayce'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 Cayce’s own scale
6 of the readings below were taken at Cayce's own scale — the 10,803 acres it covers and 1,957 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Cayce's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 1,957 documented contamination sites on the federal record near Cayce, the closest Brownfields record about 0.6 miles out from the town centreFederal environmental registers
- Cayce's boundary and the 10,803 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~265-day seasonGrowable Ground crop-matching engine
- The ecoregion at Cayce's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Cayce checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Cayce has no normal of its own, so its county's is the closest measured readfrom Lexington County
- Soil character — no town-scale survey exists, so Cayce's 10,803 acres read through its county's SSURGO summaryfrom Lexington County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Lexington 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 Lexington County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Cayce's 10,803 acreswhy one lot differs from the next →
- Which side of Cayce you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 10,803 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.6 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 Cayce-wide figureread your own land →