Cornelia, Georgia, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
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 Cornelia, 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 Cornelia 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 Cornelia — soil, climate, flood, and parcel records. How we handle your address.
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Cornelia — the short answer
Cornelia, Georgia: USDA zone 8a, about 246 days between hard freezes, across 3K acres of city.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 17
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~246
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 3K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 8a is Cornelia's average, not your lot's — a low corner or a tree line moves it. Against Cornelia's 246-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Cornelia
Each reading below is measured for Cornelia itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCornelia runs about 246 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredCornelia sits in USDA hardiness zone 8a.
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 Cornelia is in
Cornelia sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Cornelia's own centroid rather than borrowed from Habersham County.
What Grows in Cornelia
Every plant below cleared Cornelia's own zone 8a and its 246-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Cornelia?
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 Feb 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 18 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
What's on the federal record near Cornelia
Closest first, within ~10 miles of Cornelia. Listing isn't leaking, and distance isn't exposure.
- COCA-COLA ENTERPRISES INCUnderground Storage Tanks · 550 ft
- ROGERS SVC CTRUnderground Storage Tanks · 700 ft
- CVS PHARMACY #3798Brownfields · 750 ft
- GRIFFIN AUTO PARTSUnderground Storage Tanks · 750 ft
- ATLANTA COCA-COLA BTLG COUnderground Storage Tanks · 750 ft
- QUICKMART OF CORNELIAUnderground Storage Tanks · 900 ft
- CORNELIA TRUCK SHOP & TRAILER REUnderground Storage Tanks · 1200 ft
- FLEMING FOODSUnderground Storage Tanks · 1200 ft
- GOLDEN PANTRY #49Underground Storage Tanks · 1300 ft
- WESTERN AUTOUnderground Storage Tanks · 1300 ft
- CORNELIA FORD LINCOLN-MERCURY INUnderground Storage Tanks · 1300 ft
- CORNELIA VENEER CO INCUnderground Storage Tanks · 1600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Cornelia'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 Cornelia.
Total Sites
239
within ~10 miles of Cornelia
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Cornelia
Severity Distribution
within ~10 miles of Cornelia
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Cornelia, two things run higher than the national average within ~10 miles of Cornelia — PFAS (3 sites) and Underground Storage Tanks (180 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Cornelia
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 Cornelia average
Your land is one point inside Cornelia
Everything above resolves to Cornelia as a whole — one PHZM band and one 28°F frost record, read across 3K acres. 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 Cornelia Average
Cornelia Average
- ●USDA Zones 8a, averaged across Cornelia
- ●One soil character for all of Cornelia
- ●Frost dates read at Cornelia's scale: Mar 17 to Nov 18
YOUR Parcel
- ✓Your exact zone, not Cornelia's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Cornelia
Pull a site-specific report for your exact address in Cornelia, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Cornelia averages can't show:
We read public map data around Cornelia — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Cornelia average
How we know this about Cornelia
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 Cornelia’s own record; 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 Cornelia
When does frost risk typically end in Cornelia?
The last hard freeze (28°F) in Cornelia typically lands around Mar 17, 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 Apr 7.
When is the first frost in Cornelia?
The first hard freeze (28°F) in Cornelia typically arrives around Nov 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 4, so the watching starts about Oct 19 — about 246 days after the spring freeze cleared.
How long is the growing season in Cornelia?
Measured between 28°F hard freezes, Cornelia sees about 246 frost-free days — roughly Mar 17 through Nov 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 7 to Nov 4, about 211 days.
Is the soil safe to grow vegetables in Cornelia?
The federal record around Cornelia is a meaningful one — 239 documented sites, mostly Underground Storage Tanks entries (180), the nearest Underground Storage Tanks record about 0.1 miles 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 Cornelia?
From about Oct 19 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 18 (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 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Cornelia's scale — its 8a band and its 246-day season. Your yard writes its own version of Cornelia'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 Cornelia’s own scale
6 of the readings below were taken at Cornelia's own scale — its own ~246-day season between 28°F freezes, the 2,656 acres it covers and 239 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Cornelia's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Cornelia's own 28°F hard-freeze dates, about Mar 17 and Nov 18 and the ~246-day span between themNOAA 1991–2020 Climate Normals
- 239 documented contamination sites on the federal record near Cornelia, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Cornelia's boundary and the 2,656 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~246-day seasonGrowable Ground crop-matching engine
- The ecoregion at Cornelia's own centroid, the PiedmontUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Cornelia's 2,656 acres read through its county's SSURGO summaryfrom Habersham County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Habersham 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 Habersham County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Cornelia's 2,656 acreswhy one lot differs from the next →
- Which side of Cornelia you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,656 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 miles 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 Cornelia-wide figureread your own land →
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