Griffin, 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.
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 Griffin, 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 Griffin 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 Griffin — soil, climate, flood, and parcel records. How we handle your address.
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Griffin — the short answer
Griffin, Georgia: USDA zone 8b, about 264 days between hard freezes, across 9K acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 6
- Spalding County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 25
- Spalding County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~264
- Spalding County normal — NOAA 1991–2020, nearest to this town
- City area
- 9K 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 Spalding County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Griffin's average, not your lot's — a low corner or a tree line moves it. Against Griffin's 264-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Griffin
Each reading below is measured for Griffin itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsGriffin runs about 264 days between hard freezes (read from Spalding County, the closest normal to Griffin) — 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
MeasuredGriffin 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 Griffin is in
Griffin sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Griffin's own centroid rather than borrowed from Spalding County.
What Grows in Griffin
Every plant below cleared Griffin's own zone 8b and its 264-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Griffin?
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 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 25 — 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.
What's on the federal record near Griffin
Closest first, within ~10 miles of Griffin. Listing isn't leaking, and distance isn't exposure.
- AMOCO STATION/TWELFTH & TAYLORUnderground Storage Tanks · 1500 ft
- WATER & SEWER DEPARTMENTUnderground Storage Tanks · 1500 ft
- DAN J SMITH JR DIST INCUnderground Storage Tanks · 1500 ft
- ECONOMY RENT A CARUnderground Storage Tanks · 1600 ft
- TAYLOR STREET QUICK STOPUnderground Storage Tanks · 1600 ft
- GRIFFIN CHEVRONUnderground Storage Tanks · 1700 ft
- 10TH & TAYLOR BPUnderground Storage Tanks · 1700 ft
- GRIFFIN FOOD MARTUnderground Storage Tanks · 1800 ft
- ATLANTA RENT-A-CARUnderground Storage Tanks · 1900 ft
- POMONA PRODUCTS CO/DIV CHEROKEEUnderground Storage Tanks · 1900 ft
- SOLOMON FOOD MARTUnderground Storage Tanks · 2100 ft
- CHEVRON CAR WASH (CLOSED)Underground Storage Tanks · 2200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Griffin'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 Griffin.
Total Sites
296
within ~10 miles of Griffin
Risk Level
Elevated
Highest-severity
3 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Griffin
Severity Distribution
within ~10 miles of Griffin
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Griffin, two things run higher than the national average within ~10 miles of Griffin — Underground Storage Tanks (212 sites) and Toxics Release Inventory (19 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 Griffin
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 Griffin average
Your land is one point inside Griffin
Everything above resolves to Griffin as a whole — one PHZM band, read across 9K acres, with hard-freeze dates borrowed from Spalding 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 Griffin Average
Griffin Average
- ●USDA Zones 8b, averaged across Griffin
- ●One soil character for all of Griffin
- ●Frost dates read at Griffin's scale: Mar 6 to Nov 25
YOUR Parcel
- ✓Your exact zone, not Griffin's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Griffin
Pull a site-specific report for your exact address in Griffin, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Griffin averages can't show:
We read public map data around Griffin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Griffin average
How we know this about Griffin
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 Spalding 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 Griffin
When does frost risk typically end in Griffin?
The last hard freeze (28°F) in Griffin 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 Griffin?
The first hard freeze (28°F) in Griffin typically arrives around Nov 25, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 11, so the watching starts about Oct 26 — about 264 days after the spring freeze cleared.
How long is the growing season in Griffin?
Measured between 28°F hard freezes, Griffin sees about 264 frost-free days — roughly Mar 6 through Nov 25, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 27 to Nov 11, about 229 days.
Is the soil safe to grow vegetables in Griffin?
The federal record around Griffin is a meaningful one — 296 documented sites, mostly Underground Storage Tanks entries (212), the nearest Underground Storage Tanks record about 0.3 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 Griffin?
From about Oct 26 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 25 (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 25. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Griffin's scale — its 8b band and its 264-day season. Your yard writes its own version of Griffin'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 Griffin’s own scale
5 of the readings below were taken at Griffin's own scale — the 8,989 acres it covers and 296 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Griffin's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 296 documented contamination sites on the federal record near Griffin, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Griffin's boundary and the 8,989 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~264-day seasonGrowable Ground crop-matching engine
- The ecoregion at Griffin's own centroid, the PiedmontUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Griffin has no normal of its own, so its county's is the closest measured readfrom Spalding County
- Soil character — no town-scale survey exists, so Griffin's 8,989 acres read through its county's SSURGO summaryfrom Spalding County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Spalding 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 Spalding County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Griffin's 8,989 acreswhy one lot differs from the next →
- Which side of Griffin you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 8,989 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 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 Griffin-wide figureread your own land →
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