Oglethorpe, Georgia, sits in USDA hardiness zone 8b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Growers here do well with cabbage, fig, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Oglethorpe, 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 Oglethorpe 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 Oglethorpe — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Oglethorpe — the short answer
Oglethorpe, Georgia: USDA zone 8b, about 286 days between hard freezes, across 1K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 20
- Macon County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 3
- Macon County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~286
- Macon 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 Macon County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Oglethorpe's average, not your lot's — a low corner or a tree line moves it. Against Oglethorpe's 286-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Oglethorpe
Each reading below is measured for Oglethorpe itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsOglethorpe runs about 286 days between hard freezes (read from Macon County, the closest normal to Oglethorpe) — 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
MeasuredOglethorpe 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 Oglethorpe is in
Oglethorpe sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Oglethorpe's own centroid rather than borrowed from Macon County.
What Grows in Oglethorpe
Every plant below cleared Oglethorpe's own zone 8b and its 286-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Oglethorpe?
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 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 20 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 3 — 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.
What's on the federal record near Oglethorpe
Closest first, within ~10 miles of Oglethorpe. Listing isn't leaking, and distance isn't exposure.
- HORTMAN'S BPUnderground Storage Tanks · 400 ft
- MACON STATE PRISONUnderground Storage Tanks · 550 ft
- GOLD KIST COMPLEXUnderground Storage Tanks · 550 ft
- NELSON AUTOUnderground Storage Tanks · 550 ft
- 13S001Nitrate · 650 ft
- DEW DROP INNUnderground Storage Tanks · 750 ft
- FAF #308Underground Storage Tanks · 1100 ft
- MACON COUNTY JR HIGHUnderground Storage Tanks · 1200 ft
- KAISER ESTECHUnderground Storage Tanks · 1500 ft
- FLINT FAST FOODSUnderground Storage Tanks · 0.5 mi
- MACON COUNTY BD OF ED/BUS SHOPUnderground Storage Tanks · 0.6 mi
- CITY OF MONTEZUMAUnderground Storage Tanks · 1.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Oglethorpe'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 Oglethorpe.
Total Sites
97
within ~10 miles of Oglethorpe
Risk Level
Moderate
Highest-severity
6 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Oglethorpe
Severity Distribution
within ~10 miles of Oglethorpe
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Oglethorpe, two things run higher than the national average within ~10 miles of Oglethorpe — Underground Storage Tanks (65 sites) and Toxics Release Inventory (6 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.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Oglethorpe
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 Oglethorpe average
Your land is one point inside Oglethorpe
Everything above resolves to Oglethorpe as a whole — one PHZM band, read across 1K acres, with hard-freeze dates borrowed from Macon 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 Oglethorpe Average
Oglethorpe Average
- ●USDA Zones 8b, averaged across Oglethorpe
- ●One soil character for all of Oglethorpe
- ●Frost dates read at Oglethorpe's scale: Feb 20 to Dec 3
YOUR Parcel
- ✓Your exact zone, not Oglethorpe's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Oglethorpe
Pull a site-specific report for your exact address in Oglethorpe, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Oglethorpe averages can't show:
We read public map data around Oglethorpe — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Oglethorpe average
How we know this about Oglethorpe
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 Macon 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 Oglethorpe
When does frost risk typically end in Oglethorpe?
The last hard freeze (28°F) in Oglethorpe typically lands around Feb 20, 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 13.
When is the first frost in Oglethorpe?
The first hard freeze (28°F) in Oglethorpe typically arrives around Dec 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 19, so the watching starts about Nov 3 — about 286 days after the spring freeze cleared.
How long is the growing season in Oglethorpe?
Measured between 28°F hard freezes, Oglethorpe sees about 286 frost-free days — roughly Feb 20 through Dec 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 13 to Nov 19, about 251 days.
Is the soil safe to grow vegetables in Oglethorpe?
The federal record around Oglethorpe shows 97 documented sites, mostly Underground Storage Tanks entries (65), 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 Oglethorpe?
From about Nov 3 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 3 (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 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Oglethorpe's scale — its 8b band and its 286-day season. Your yard writes its own version of Oglethorpe'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 Oglethorpe’s own scale
5 of the readings below were taken at Oglethorpe's own scale — the 1,284 acres it covers and 97 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Oglethorpe's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 97 documented contamination sites on the federal record near Oglethorpe, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Oglethorpe's boundary and the 1,284 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~286-day seasonGrowable Ground crop-matching engine
- The ecoregion at Oglethorpe's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Oglethorpe has no normal of its own, so its county's is the closest measured readfrom Macon County
- Soil character — no town-scale survey exists, so Oglethorpe's 1,284 acres read through its county's SSURGO summaryfrom Macon County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Macon 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 Macon County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Oglethorpe's 1,284 acreswhy one lot differs from the next →
- Which side of Oglethorpe you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,284 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 Oglethorpe-wide figureread your own land →
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