Gilbert, South Carolina, sits in USDA hardiness zone 8b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
These conditions suit cabbage, fig, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Gilbert, 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 Gilbert 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 Gilbert — soil, climate, flood, and parcel records. How we handle your address.
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Gilbert — the short answer
Gilbert, South Carolina: USDA zone 8b, about 265 days between hard freezes, across 2K acres of town.
- 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
- 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 Lexington County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Gilbert's average, not your lot's — a low corner or a tree line moves it. Against Gilbert's 265-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Gilbert
Each reading below is measured for Gilbert itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsGilbert runs about 265 days between hard freezes (read from Lexington County, the closest normal to Gilbert) — 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
MeasuredGilbert 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 Gilbert is in
Gilbert sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Gilbert's own centroid rather than borrowed from Lexington County.
What Grows in Gilbert
Every plant below cleared Gilbert'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 Gilbert?
Rarely: the season closes in stages, not all at once, and each stage has its crops. 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 Gilbert
Survey cells within 31 miles of Gilbert checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 113 miles off. What to watch for.
What's on the federal record near Gilbert
Closest first, within ~10 miles of Gilbert. Listing isn't leaking, and distance isn't exposure.
- QUICK SERVE 2Underground Storage Tanks · 450 ft
- GILBERTBrownfields · 550 ft
- SEASEUnderground Storage Tanks · 600 ft
- LITTLE GENERAL STOREUnderground Storage Tanks · 850 ft
- DERRICKS SERVICE CENTERUnderground Storage Tanks · 2200 ft
- SC DEPARTMENT OF AGRICULTUREBrownfields · 0.6 mi
- HARDEES GROCERYUnderground Storage Tanks · 0.6 mi
- LEX- 608Nitrate · 1.6 mi
- BOAZ & HAMMERUnderground Storage Tanks · 1.9 mi
- SUMMIT (COLLECTION AND RECYCLING CENTER)Brownfields · 2.0 mi
- POND BRANCH TELEPHONE CO INCUnderground Storage Tanks · 2.5 mi
- WESSINGER PROPERTYUnderground Storage Tanks · 2.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Gilbert'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 Gilbert.
Total Sites
316
within ~10 miles of Gilbert
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Gilbert
Severity Distribution
within ~10 miles of Gilbert
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Gilbert, two things run higher than the national average within ~10 miles of Gilbert — PFAS (3 sites) and Toxics Release Inventory (22 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Gilbert
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 Gilbert average
Your land is one point inside Gilbert
Everything above resolves to Gilbert as a whole — one PHZM band, read across 2K acres, with hard-freeze dates borrowed from Lexington 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 Gilbert Average
Gilbert Average
- ●USDA Zones 8b, averaged across Gilbert
- ●One soil character for all of Gilbert
- ●Frost dates read at Gilbert's scale: Mar 6 to Nov 26
YOUR Parcel
- ✓Your exact zone, not Gilbert's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Gilbert
Pull a site-specific report for your exact address in Gilbert, South Carolina — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Gilbert averages can't show:
We read public map data around Gilbert — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Gilbert average
How we know this about Gilbert
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 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 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 Gilbert
When does frost risk typically end in Gilbert?
The last hard freeze (28°F) in Gilbert 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 Gilbert?
The first hard freeze (28°F) in Gilbert 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 Gilbert?
Measured between 28°F hard freezes, Gilbert 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 Gilbert?
The federal record around Gilbert is a meaningful one — 316 documented sites, mostly Underground Storage Tanks entries (183), 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 Gilbert?
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 Gilbert's scale — its 8b band and its 265-day season. Your yard writes its own version of Gilbert'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 Gilbert’s own scale
6 of the readings below were taken at Gilbert's own scale — the 1,734 acres it covers and 316 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Gilbert's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 316 documented contamination sites on the federal record near Gilbert, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Gilbert's boundary and the 1,734 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 Gilbert's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Gilbert checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Gilbert 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 Gilbert's 1,734 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 Gilbert's 1,734 acreswhy one lot differs from the next →
- Which side of Gilbert you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,734 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 Gilbert-wide figureread your own land →