Smoaks, 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.
Crops well matched to these conditions include cabbage, fig, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Smoaks, 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 Smoaks 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 Smoaks — soil, climate, flood, and parcel records. How we handle your address.
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Smoaks — the short answer
Smoaks, South Carolina: USDA zone 8b, about 291 days between hard freezes, across 1K acres of town.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 19
- Colleton County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 7
- Colleton County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~291
- Colleton 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 Colleton County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Smoaks's average, not your lot's — a low corner or a tree line moves it. Against Smoaks's 291-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Smoaks
Each reading below is measured for Smoaks itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsSmoaks runs about 291 days between hard freezes (read from Colleton County, the closest normal to Smoaks) — 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
MeasuredSmoaks 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 Smoaks is in
Smoaks sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Smoaks's own centroid rather than borrowed from Colleton County.
What Grows in Smoaks
Every plant below cleared Smoaks's own zone 8b and its 291-day season. Each card opens that plant's South Carolina profile. How we score.
Is it too late to plant in Smoaks?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Jan 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 19 (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. 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 Smoaks
Closest first, within ~10 miles of Smoaks. Listing isn't leaking, and distance isn't exposure.
- GRAHAMS GAS & CONVENIENCE STOREUnderground Storage Tanks · 150 ft
- MORRIS STOREUnderground Storage Tanks · 200 ft
- SHULERS CANDY STOREUnderground Storage Tanks · 550 ft
- QUICK STORE 4Underground Storage Tanks · 1100 ft
- COL- 356Nitrate · 2000 ft
- COL- 360Nitrate · 1.1 mi
- WARREN BUILDING SUPPLYUnderground Storage Tanks · 4.1 mi
- O'QUINNS GROCERYUnderground Storage Tanks · 4.1 mi
- CRAVEN BROTHERS TRUCKING COUnderground Storage Tanks · 5.4 mi
- LINDERS GROCERYUnderground Storage Tanks · 5.6 mi
- RHODES SHEDUnderground Storage Tanks · 5.6 mi
- RAMSEYS UNION 76Underground Storage Tanks · 5.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Smoaks'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 Smoaks.
Severity Distribution
within ~10 miles of Smoaks
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Smoaks, two things run higher than the national average within ~10 miles of Smoaks — Underground Storage Tanks (27 sites) and Nitrate (10 sites). 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.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Smoaks
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 Smoaks average
Your land is one point inside Smoaks
Everything above resolves to Smoaks as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Colleton 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 Smoaks Average
Smoaks Average
- ●USDA Zones 8b, averaged across Smoaks
- ●One soil character for all of Smoaks
- ●Frost dates read at Smoaks's scale: Feb 19 to Dec 7
YOUR Parcel
- ✓Your exact zone, not Smoaks's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Smoaks
Pull a site-specific report for your exact address in Smoaks, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Smoaks averages can't show:
We read public map data around Smoaks — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Smoaks average
How we know this about Smoaks
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 Colleton 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 Smoaks
When does frost risk typically end in Smoaks?
The last hard freeze (28°F) in Smoaks typically lands around Feb 19, 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 12.
When is the first frost in Smoaks?
The first hard freeze (28°F) in Smoaks 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 291 days after the spring freeze cleared.
How long is the growing season in Smoaks?
Measured between 28°F hard freezes, Smoaks sees about 291 frost-free days — roughly Feb 19 through Dec 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 12 to Nov 23, about 256 days.
Is the soil safe to grow vegetables in Smoaks?
The federal record around Smoaks is light — 37 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (27), the nearest Underground Storage Tanks record under a tenth of a mile out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Smoaks?
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 Smoaks's scale — its 8b band and its 291-day season. Your yard writes its own version of Smoaks'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 Smoaks’s own scale
5 of the readings below were taken at Smoaks's own scale — the 1,043 acres it covers and 37 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Smoaks's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 37 documented contamination sites on the federal record near Smoaks, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Smoaks's boundary and the 1,043 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~291-day seasonGrowable Ground crop-matching engine
- The ecoregion at Smoaks's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Smoaks has no normal of its own, so its county's is the closest measured readfrom Colleton County
- Soil character — no town-scale survey exists, so Smoaks's 1,043 acres read through its county's SSURGO summaryfrom Colleton County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Colleton 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 Colleton County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Smoaks's 1,043 acreswhy one lot differs from the next →
- Which side of Smoaks you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,043 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 Smoaks-wide figureread your own land →