Warrenton, Georgia, 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.
A short list that earns its place here — cabbage, fig, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Warrenton, 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 Warrenton 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 Warrenton — soil, climate, flood, and parcel records. How we handle your address.
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Warrenton — the short answer
Warrenton, Georgia: USDA zone 8b, about 261 days between hard freezes, across 1K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 7
- Warren County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 23
- Warren County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~261
- Warren County normal — NOAA 1991–2020, nearest to this town
- City 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 Warren County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Warrenton's average, not your lot's — a low corner or a tree line moves it. Against Warrenton's 261-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Warrenton
Each reading below is measured for Warrenton itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsWarrenton runs about 261 days between hard freezes (read from Warren County, the closest normal to Warrenton) — 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
MeasuredWarrenton 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 Warrenton is in
Warrenton sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Warrenton's own centroid rather than borrowed from Warren County.
What Grows in Warrenton
Every plant below cleared Warrenton's own zone 8b and its 261-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Warrenton?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 7; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 23 — 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 Warrenton
Closest first, within ~10 miles of Warrenton. Listing isn't leaking, and distance isn't exposure.
- GRAYS SERVICE STATIONUnderground Storage Tanks · 300 ft
- 7-STAR DISCOUNT BEVERAGE #261Underground Storage Tanks · 600 ft
- ABBOTT SVC STAUnderground Storage Tanks · 650 ft
- C K DEBEAUGRINE JRUnderground Storage Tanks · 650 ft
- WARRENTONUnderground Storage Tanks · 850 ft
- HEALTH-TEX INCUnderground Storage Tanks · 850 ft
- MITCH KELLEYUnderground Storage Tanks · 850 ft
- RICKEY ALLEYUnderground Storage Tanks · 850 ft
- WARRENTON CAR CARE INCUnderground Storage Tanks · 1000 ft
- JEFFS CAR CAREUnderground Storage Tanks · 1000 ft
- GA DOT #10236 WARREN CO MAINT HQUnderground Storage Tanks · 1100 ft
- FORMER WARREN CO BUS SHOPUnderground Storage Tanks · 1100 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Warrenton'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 Warrenton.
Total Sites
78
within ~10 miles of Warrenton
Risk Level
Moderate
Highest-severity
13 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Warrenton
Severity Distribution
within ~10 miles of Warrenton
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Warrenton, Toxics Release Inventory runs higher than the national average — 13 sites within ~10 miles of Warrenton. That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Warrenton
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 Warrenton average
Your land is one point inside Warrenton
Everything above resolves to Warrenton as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Warren 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 Warrenton Average
Warrenton Average
- ●USDA Zones 8b, averaged across Warrenton
- ●One soil character for all of Warrenton
- ●Frost dates read at Warrenton's scale: Mar 7 to Nov 23
YOUR Parcel
- ✓Your exact zone, not Warrenton's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Warrenton
Pull a site-specific report for your exact address in Warrenton, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Warrenton averages can't show:
We read public map data around Warrenton — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Warrenton average
How we know this about Warrenton
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 Warren 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 Warrenton
When does frost risk typically end in Warrenton?
The last hard freeze (28°F) in Warrenton typically lands around Mar 7, 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 28.
When is the first frost in Warrenton?
The first hard freeze (28°F) in Warrenton typically arrives around Nov 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 9, so the watching starts about Oct 24 — about 261 days after the spring freeze cleared.
How long is the growing season in Warrenton?
Measured between 28°F hard freezes, Warrenton sees about 261 frost-free days — roughly Mar 7 through Nov 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 28 to Nov 9, about 226 days.
Is the soil safe to grow vegetables in Warrenton?
The federal record around Warrenton shows 78 documented sites, mostly Underground Storage Tanks entries (47), the nearest Underground Storage Tanks record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Warrenton?
From about Oct 24 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Warrenton's scale — its 8b band and its 261-day season. Your yard writes its own version of Warrenton'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 Warrenton’s own scale
5 of the readings below were taken at Warrenton's own scale — the 1,361 acres it covers and 78 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Warrenton's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 78 documented contamination sites on the federal record near Warrenton, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Warrenton's boundary and the 1,361 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~261-day seasonGrowable Ground crop-matching engine
- The ecoregion at Warrenton's own centroid, the PiedmontUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Warrenton has no normal of its own, so its county's is the closest measured readfrom Warren County
- Soil character — no town-scale survey exists, so Warrenton's 1,361 acres read through its county's SSURGO summaryfrom Warren County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Warren 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 Warren County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Warrenton's 1,361 acreswhy one lot differs from the next →
- Which side of Warrenton you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,361 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 Warrenton-wide figureread your own land →
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