Calvary, Georgia, sits in USDA hardiness zone 9a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Well-matched crops include artichoke, fig, california poppy, and cabbage, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Calvary, 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 Calvary 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 Calvary — soil, climate, flood, and parcel records. How we handle your address.
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Calvary — the short answer
Calvary, Georgia: USDA zone 9a, about 297 days between hard freezes, across 984 acres of town.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 14
- Grady County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Dec 8
- Grady County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~297
- Grady County normal — NOAA 1991–2020, nearest to this town
- Town area
- 984 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 Grady County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Calvary's average, not your lot's — a low corner or a tree line moves it. Against Calvary's 297-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Calvary
Each reading below is measured for Calvary itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsCalvary runs about 297 days between hard freezes (read from Grady County, the closest normal to Calvary) — 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
MeasuredCalvary 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 Calvary is in
Calvary sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Calvary's own centroid rather than borrowed from Grady County.
What Grows in Calvary
Every plant below cleared Calvary's own zone 9a and its 297-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Calvary?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Jan 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 14 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 8 — 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 Calvary
Closest first, within ~10 miles of Calvary. Listing isn't leaking, and distance isn't exposure.
- SHRADHA ENTERPRISES LLCUnderground Storage Tanks · 0.8 mi
- JOE MCNAIR INCUnderground Storage Tanks · 0.9 mi
- BISHOPS TRAVEL CENTERUnderground Storage Tanks · 2.3 mi
- CAIN PROPERTY/CARTER CONCRETEUnderground Storage Tanks · 2.3 mi
- STOP AND SHOPUnderground Storage Tanks · 2.4 mi
- STATE LINE TRAVEL CTRS INC-FRMR PONDEROSAUnderground Storage Tanks · 2.4 mi
- SCOTT JOEUnderground Storage Tanks · 3.0 mi
- DOCS SERVICE STATIONUnderground Storage Tanks · 3.0 mi
- BURGUNDY FARMS INCUnderground Storage Tanks · 3.0 mi
- WHIDDONS COUNTRY STOREUnderground Storage Tanks · 3.3 mi
- COUNTY FOOD & TIREUnderground Storage Tanks · 3.7 mi
- ENGLEHARD/KEMP MINEUnderground Storage Tanks · 3.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Calvary'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 Calvary.
Total Sites
84
within ~10 miles of Calvary
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Calvary
Severity Distribution
within ~10 miles of Calvary
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Calvary, Underground Storage Tanks runs higher than the national average — 64 sites within ~10 miles of Calvary. 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 Calvary
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 Calvary average
Your land is one point inside Calvary
Everything above resolves to Calvary as a whole — one PHZM band, read across 984 acres, with hard-freeze dates borrowed from Grady County’s record because no 30-year normal resolves at this town’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 town 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 Calvary Average
Calvary Average
- ●USDA Zones 9a, averaged across Calvary
- ●One soil character for all of Calvary
- ●Frost dates read at Calvary's scale: Feb 14 to Dec 8
YOUR Parcel
- ✓Your exact zone, not Calvary's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Calvary
Pull a site-specific report for your exact address in Calvary, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Calvary averages can't show:
We read public map data around Calvary — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Calvary average
How we know this about Calvary
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Grady 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 town grain anywhere on this page — there is no town-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 Calvary
When does frost risk typically end in Calvary?
The last hard freeze (28°F) in Calvary typically lands around Feb 14, 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 7.
When is the first frost in Calvary?
The first hard freeze (28°F) in Calvary typically arrives around Dec 8, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 24, so the watching starts about Nov 8 — about 297 days after the spring freeze cleared.
How long is the growing season in Calvary?
Measured between 28°F hard freezes, Calvary sees about 297 frost-free days — roughly Feb 14 through Dec 8, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 7 to Nov 24, about 262 days.
Is the soil safe to grow vegetables in Calvary?
The federal record around Calvary is a meaningful one — 84 documented sites, mostly Underground Storage Tanks entries (64), the nearest Underground Storage Tanks record about 0.8 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 Calvary?
From about Nov 8 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 8 (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 8. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Calvary's scale — its 9a band and its 297-day season. Your yard writes its own version of Calvary'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 Calvary’s own scale
5 of the readings below were taken at Calvary's own scale — the 984 acres it covers and 84 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Calvary's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 84 documented contamination sites on the federal record near Calvary, the closest Underground Storage Tanks record about 0.8 miles out from the town centreFederal environmental registers
- Calvary's boundary and the 984 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~297-day seasonGrowable Ground crop-matching engine
- The ecoregion at Calvary's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Calvary has no normal of its own, so its county's is the closest measured readfrom Grady County
- Soil character — no town-scale survey exists, so Calvary's 984 acres read through its county's SSURGO summaryfrom Grady County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Grady 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 Grady County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Calvary's 984 acreswhy one lot differs from the next →
- Which side of Calvary you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 984 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.8 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 Calvary-wide figureread your own land →
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