Walnut Grove, Georgia, sits in USDA hardiness zone 8a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Crops well matched to these conditions include cabbage, fig, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Walnut Grove, 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 Walnut Grove 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 Walnut Grove — soil, climate, flood, and parcel records. How we handle your address.
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Walnut Grove — the short answer
Walnut Grove, Georgia: USDA zone 8a, about 262 days between hard freezes, across 2K acres of city.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 9
- Walton County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 26
- Walton County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~262
- Walton County normal — NOAA 1991–2020, nearest to this town
- City area
- 2K 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 Walton County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8a is Walnut Grove's average, not your lot's — a low corner or a tree line moves it. Against Walnut Grove's 262-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Walnut Grove
Each reading below is measured for Walnut Grove itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsWalnut Grove runs about 262 days between hard freezes (read from Walton County, the closest normal to Walnut Grove) — 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
MeasuredWalnut Grove 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 Walnut Grove is in
Walnut Grove sits in the Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Walnut Grove's own centroid rather than borrowed from Walton County.
What Grows in Walnut Grove
Every plant below cleared Walnut Grove's own zone 8a and its 262-day season. Each card opens that plant's Georgia profile. How we score.
Is it too late to plant in Walnut Grove?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 26 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.
What's on the federal record near Walnut Grove
Closest first, within ~10 miles of Walnut Grove. Listing isn't leaking, and distance isn't exposure.
- WALNUT GROVE SHOPETTEUnderground Storage Tanks · 2100 ft
- THOMPSONS GROCERYUnderground Storage Tanks · 2100 ft
- SHOPETTEUnderground Storage Tanks · 2300 ft
- WALNUT GROVE CHEVRONUnderground Storage Tanks · 2300 ft
- CARTERS ONE STOPUnderground Storage Tanks · 1.0 mi
- MAXIMUM RX CREDIT INCBrownfields · 1.1 mi
- THE E-Z STOPUnderground Storage Tanks · 1.3 mi
- SHELL FOOD MARTUnderground Storage Tanks · 1.8 mi
- EXXON FOOD MARTUnderground Storage Tanks · 1.9 mi
- TOBY SEXTON TIRE COToxics Release Inventory · 2.0 mi
- STONAC PARTNERSHIPUnderground Storage Tanks · 2.0 mi
- CROWES GROCERYUnderground Storage Tanks · 2.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Walnut Grove'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 Walnut Grove.
Total Sites
402
within ~10 miles of Walnut Grove
Risk Level
Elevated
Highest-severity
3 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Walnut Grove
Severity Distribution
within ~10 miles of Walnut Grove
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Walnut Grove, two things run higher than the national average within ~10 miles of Walnut Grove — Toxics Release Inventory (53 sites) and Underground Storage Tanks (257 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Walnut Grove
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 Walnut Grove average
Your land is one point inside Walnut Grove
Everything above resolves to Walnut Grove as a whole — one PHZM band, read across 2K acres, with hard-freeze dates borrowed from Walton 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 Walnut Grove Average
Walnut Grove Average
- ●USDA Zones 8a, averaged across Walnut Grove
- ●One soil character for all of Walnut Grove
- ●Frost dates read at Walnut Grove's scale: Mar 9 to Nov 26
YOUR Parcel
- ✓Your exact zone, not Walnut Grove's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Walnut Grove
Pull a site-specific report for your exact address in Walnut Grove, Georgia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Walnut Grove averages can't show:
We read public map data around Walnut Grove — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Walnut Grove average
How we know this about Walnut Grove
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 Walton 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 Walnut Grove
When does frost risk typically end in Walnut Grove?
The last hard freeze (28°F) in Walnut Grove typically lands around Mar 9, 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 30.
When is the first frost in Walnut Grove?
The first hard freeze (28°F) in Walnut Grove typically arrives around Nov 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 12, so the watching starts about Oct 27 — about 262 days after the spring freeze cleared.
How long is the growing season in Walnut Grove?
Measured between 28°F hard freezes, Walnut Grove sees about 262 frost-free days — roughly Mar 9 through Nov 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 30 to Nov 12, about 227 days.
Is the soil safe to grow vegetables in Walnut Grove?
The federal record around Walnut Grove is a meaningful one — 402 documented sites, mostly Underground Storage Tanks entries (257), the nearest Underground Storage Tanks record about 0.4 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 Walnut Grove?
From about Oct 27 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 26 (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 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Walnut Grove's scale — its 8a band and its 262-day season. Your yard writes its own version of Walnut Grove'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 Walnut Grove’s own scale
5 of the readings below were taken at Walnut Grove's own scale — the 1,827 acres it covers and 402 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Walnut Grove's own USDA hardiness band, zones 8aUSDA PHZM 2023
- 402 documented contamination sites on the federal record near Walnut Grove, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Walnut Grove's boundary and the 1,827 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~262-day seasonGrowable Ground crop-matching engine
- The ecoregion at Walnut Grove's own centroid, the PiedmontUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Walnut Grove has no normal of its own, so its county's is the closest measured readfrom Walton County
- Soil character — no town-scale survey exists, so Walnut Grove's 1,827 acres read through its county's SSURGO summaryfrom Walton County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Walton 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 Walton County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Walnut Grove's 1,827 acreswhy one lot differs from the next →
- Which side of Walnut Grove you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,827 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.4 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 Walnut Grove-wide figureread your own land →
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