Timmonsville, South Carolina, sits in USDA hardiness zone 8b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
On paper, cabbage, fig, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Timmonsville, 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 Timmonsville 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 Timmonsville — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Timmonsville — the short answer
Timmonsville, South Carolina: USDA zone 8b, about 269 days between hard freezes, across 2K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 5
- Florence County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 29
- Florence County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~269
- Florence 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 Florence County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Timmonsville's average, not your lot's — a low corner or a tree line moves it. Against Timmonsville's 269-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Timmonsville
Each reading below is measured for Timmonsville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsTimmonsville runs about 269 days between hard freezes (read from Florence County, the closest normal to Timmonsville) — 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
MeasuredTimmonsville 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 Timmonsville is in
Timmonsville sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Timmonsville's own centroid, and it is not what its county reads: Florence County is mostly Middle Atlantic Coastal Plain. The wider page above you is answering a different question about different ground.
What Grows in Timmonsville
Every plant below cleared Timmonsville's own zone 8b and its 269-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Timmonsville?
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 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 5 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 29 — long-season crops need about 90 days of runway, quick greens only 30. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.
Documented around Timmonsville
Survey cells within 31 miles of Timmonsville 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 Timmonsville
Closest first, within ~10 miles of Timmonsville. Listing isn't leaking, and distance isn't exposure.
- SOUTHERN BELL TMVLSCMAUnderground Storage Tanks · 300 ft
- EVANS SERVICE CENTERUnderground Storage Tanks · 600 ft
- ABSHERUnderground Storage Tanks · 600 ft
- DEPOTUnderground Storage Tanks · 700 ft
- FLO- 85Nitrate · 800 ft
- HOT SPOT 2027Underground Storage Tanks · 800 ft
- FRED ANDERSON STAUnderground Storage Tanks · 800 ft
- GREGGS GROCERYUnderground Storage Tanks · 800 ft
- TRULUCK GROCERYUnderground Storage Tanks · 800 ft
- JIMS CORNER GROCERYUnderground Storage Tanks · 850 ft
- FLO RCAG FEDERAL AVIATION ADMINUnderground Storage Tanks · 900 ft
- FAMILY DOLLAR 4245Brownfields · 900 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Timmonsville'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 Timmonsville.
Total Sites
303
within ~10 miles of Timmonsville
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Timmonsville
Severity Distribution
within ~10 miles of Timmonsville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Timmonsville, Underground Storage Tanks runs higher than the national average — 190 sites within ~10 miles of Timmonsville. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
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 Timmonsville
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 Timmonsville average
Your land is one point inside Timmonsville
Everything above resolves to Timmonsville as a whole — one PHZM band, read across 2K acres, with hard-freeze dates borrowed from Florence 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 Timmonsville Average
Timmonsville Average
- ●USDA Zones 8b, averaged across Timmonsville
- ●One soil character for all of Timmonsville
- ●Frost dates read at Timmonsville's scale: Mar 5 to Nov 29
YOUR Parcel
- ✓Your exact zone, not Timmonsville's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Timmonsville
Pull a site-specific report for your exact address in Timmonsville, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Timmonsville averages can't show:
We read public map data around Timmonsville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Timmonsville average
How we know this about Timmonsville
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 Florence 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 Timmonsville
When does frost risk typically end in Timmonsville?
The last hard freeze (28°F) in Timmonsville typically lands around Mar 5, 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 26.
When is the first frost in Timmonsville?
The first hard freeze (28°F) in Timmonsville typically arrives around Nov 29, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 15, so the watching starts about Oct 30 — about 269 days after the spring freeze cleared.
How long is the growing season in Timmonsville?
Measured between 28°F hard freezes, Timmonsville sees about 269 frost-free days — roughly Mar 5 through Nov 29, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 26 to Nov 15, about 234 days.
Is the soil safe to grow vegetables in Timmonsville?
The federal record around Timmonsville is a meaningful one — 303 documented sites, mostly Underground Storage Tanks entries (190), the nearest Underground Storage Tanks record under a tenth of a mile 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 Timmonsville?
From about Oct 30 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 29 (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 29. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Timmonsville's scale — its 8b band and its 269-day season. Your yard writes its own version of Timmonsville'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 Timmonsville’s own scale
6 of the readings below were taken at Timmonsville's own scale — the 1,809 acres it covers and 303 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Timmonsville's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 303 documented contamination sites on the federal record near Timmonsville, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Timmonsville's boundary and the 1,809 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~269-day seasonGrowable Ground crop-matching engine
- Timmonsville sits in the Southeastern Plains — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- Lanternfly survey cells around Timmonsville checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Timmonsville has no normal of its own, so its county's is the closest measured readfrom Florence County
- Soil character — no town-scale survey exists, so Timmonsville's 1,809 acres read through its county's SSURGO summaryfrom Florence County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Florence 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 Florence County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Timmonsville's 1,809 acreswhy one lot differs from the next →
- Which side of Timmonsville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,809 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 Timmonsville-wide figureread your own land →