Thomasville, Georgia, sits in USDA hardiness zone 9a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Expect artichoke, fig, california poppy, and cabbage to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Thomasville, 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 Thomasville 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 Thomasville — soil, climate, flood, and parcel records. How we handle your address.
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Thomasville — the short answer
Thomasville, Georgia: USDA zone 9a, about 304 days between hard freezes, across 10K acres of city.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 9
- Thomas County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 10
- Thomas County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~304
- Thomas County normal — NOAA 1991–2020, nearest to this town
- City area
- 10K 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 Thomas County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Thomasville's average, not your lot's — a low corner or a tree line moves it. Against Thomasville's 304-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Thomasville
Each reading below is measured for Thomasville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsThomasville runs about 304 days between hard freezes (read from Thomas County, the closest normal to Thomasville) — 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
MeasuredThomasville sits in USDA hardiness zone 9a.
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 Thomasville is in
Thomasville sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Thomasville's own centroid rather than borrowed from Thomas County.
What Grows in Thomasville
Every plant below cleared Thomasville's own zone 9a and its 304-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Thomasville?
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 Jan 12; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 10 — 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 Thomasville
Closest first, within ~10 miles of Thomasville. Listing isn't leaking, and distance isn't exposure.
- RUSTY ROSSUnderground Storage Tanks · 450 ft
- DAN BAIN AUTO SERVICE CENTERUnderground Storage Tanks · 800 ft
- BLAIRS BPUnderground Storage Tanks · 1000 ft
- BST/TMSVLGA/R2331Underground Storage Tanks · 1000 ft
- CHARLES GAY PROPERTYUnderground Storage Tanks · 1000 ft
- THOMAS COUNTY EXTENTION SERVICEUnderground Storage Tanks · 1200 ft
- THE PLAZA RESTAURANT INCUnderground Storage Tanks · 1400 ft
- JAMES R. WOODRUFFUnderground Storage Tanks · 1400 ft
- NATIONS BANK OF GAUnderground Storage Tanks · 1500 ft
- ALDREDGE MOTOR CO INCUnderground Storage Tanks · 1500 ft
- MURRY BISHOP SERVICE STATIONUnderground Storage Tanks · 1500 ft
- ALLEN INDUSTRIES INCUnderground Storage Tanks · 1600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Thomasville'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 Thomasville.
Total Sites
239
within ~10 miles of Thomasville
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Thomasville
Severity Distribution
within ~10 miles of Thomasville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Thomasville, Underground Storage Tanks runs higher than the national average — 175 sites within ~10 miles of Thomasville. That's not a problem with your land — it's information about 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 Thomasville
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 Thomasville average
Your land is one point inside Thomasville
Everything above resolves to Thomasville as a whole — one PHZM band, read across 10K acres, with hard-freeze dates borrowed from Thomas 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 Thomasville Average
Thomasville Average
- ●USDA Zones 9a, averaged across Thomasville
- ●One soil character for all of Thomasville
- ●Frost dates read at Thomasville's scale: Feb 9 to Dec 10
YOUR Parcel
- ✓Your exact zone, not Thomasville's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Thomasville
Pull a site-specific report for your exact address in Thomasville, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Thomasville averages can't show:
We read public map data around Thomasville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Thomasville average
How we know this about Thomasville
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 Thomas 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 Thomasville
When does frost risk typically end in Thomasville?
The last hard freeze (28°F) in Thomasville typically lands around Feb 9, 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 2.
When is the first frost in Thomasville?
The first hard freeze (28°F) in Thomasville typically arrives around Dec 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 26, so the watching starts about Nov 10 — about 304 days after the spring freeze cleared.
How long is the growing season in Thomasville?
Measured between 28°F hard freezes, Thomasville sees about 304 frost-free days — roughly Feb 9 through Dec 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 2 to Nov 26, about 269 days.
Is the soil safe to grow vegetables in Thomasville?
The federal record around Thomasville is a meaningful one — 239 documented sites, mostly Underground Storage Tanks entries (175), 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 Thomasville?
From about Nov 10 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 10 (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 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Thomasville's scale — its 9a band and its 304-day season. Your yard writes its own version of Thomasville'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 Thomasville’s own scale
5 of the readings below were taken at Thomasville's own scale — the 9,608 acres it covers and 239 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Thomasville's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 239 documented contamination sites on the federal record near Thomasville, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Thomasville's boundary and the 9,608 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~304-day seasonGrowable Ground crop-matching engine
- The ecoregion at Thomasville's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Thomasville has no normal of its own, so its county's is the closest measured readfrom Thomas County
- Soil character — no town-scale survey exists, so Thomasville's 9,608 acres read through its county's SSURGO summaryfrom Thomas County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Thomas County
- The growing challenges every Georgia grower plans around — written at state scale, so they stay on the state guidefrom Georgia
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Thomas County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Thomasville's 9,608 acreswhy one lot differs from the next →
- Which side of Thomasville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 9,608 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 Thomasville-wide figureread your own land →
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