South Fulton, Tennessee, sits in USDA hardiness zone 7b — a zone band wide enough that plant choice, not possibility, is the interesting question.
The conditions favor cabbage, prickly pear, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in South Fulton, 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 South Fulton 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 South Fulton — soil, climate, flood, and parcel records. How we handle your address.
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South Fulton — the short answer
South Fulton, Tennessee: USDA zone 7b, about 232 days between hard freezes, across 2K acres of city.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~232
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 2K 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 7b is South Fulton's average, not your lot's — a low corner or a tree line moves it. Against South Fulton's 232-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in South Fulton
Each reading below is measured for South Fulton itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSouth Fulton runs about 232 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
MeasuredSouth Fulton sits in USDA hardiness zone 7b.
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 South Fulton is in
South Fulton sits in the Mississippi Valley Loess Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at South Fulton's own centroid rather than borrowed from Obion County.
What Grows in South Fulton
Every plant below cleared South Fulton's own zone 7b and its 232-day season. Each card opens that plant's Tennessee profile. How we score.
Is it too late to plant in South Fulton?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 10 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
What's on the federal record near South Fulton
Closest first, within ~10 miles of South Fulton. Listing isn't leaking, and distance isn't exposure.
- Kerr Mcgee #5736Underground Storage Tanks · 2400 ft
- Bi-rite 210Underground Storage Tanks · 2600 ft
- Ob:P-004Nitrate · 2600 ft
- South Fulton MotorsUnderground Storage Tanks · 0.5 mi
- Danny's AlignmentUnderground Storage Tanks · 0.5 mi
- Mark PhippsUnderground Storage Tanks · 0.6 mi
- Turner Truck Repair GarageUnderground Storage Tanks · 0.6 mi
- South Fulton AmocoUnderground Storage Tanks · 0.6 mi
- Marine Oil CoUnderground Storage Tanks · 0.6 mi
- Fulton RosecoUnderground Storage Tanks · 0.6 mi
- Kenn Tenn Auto ServiceUnderground Storage Tanks · 0.7 mi
- City Of South FultonUnderground Storage Tanks · 0.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from South Fulton'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 South Fulton.
Total Sites
229
within ~10 miles of South Fulton
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of South Fulton
Severity Distribution
within ~10 miles of South Fulton
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around South Fulton, two things run higher than the national average within ~10 miles of South Fulton — CAFO (5 sites) and Nitrate (112 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in South Fulton
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 South Fulton average
Your land is one point inside South Fulton
Everything above resolves to South Fulton as a whole — one PHZM band and one 28°F frost record, read across 2K 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 South Fulton Average
South Fulton Average
- ●USDA Zones 7b, averaged across South Fulton
- ●One soil character for all of South Fulton
- ●Frost dates read at South Fulton's scale: Mar 23 to Nov 10
YOUR Parcel
- ✓Your exact zone, not South Fulton's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in South Fulton
Pull a site-specific report for your exact address in South Fulton, Tennessee — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that South Fulton averages can't show:
We read public map data around South Fulton — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the South Fulton average
How we know this about South Fulton
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 South Fulton’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 South Fulton
When does frost risk typically end in South Fulton?
The last hard freeze (28°F) in South Fulton typically lands around Mar 23, 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 13.
When is the first frost in South Fulton?
The first hard freeze (28°F) in South Fulton typically arrives around Nov 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 27, so the watching starts about Oct 11 — about 232 days after the spring freeze cleared.
How long is the growing season in South Fulton?
Measured between 28°F hard freezes, South Fulton sees about 232 frost-free days — roughly Mar 23 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 13 to Oct 27, about 197 days.
Is the soil safe to grow vegetables in South Fulton?
The federal record around South Fulton is a meaningful one — 229 documented sites, mostly Nitrate entries (112), the nearest Underground Storage Tanks record about 0.5 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 South Fulton?
From about Oct 11 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 10 (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 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at South Fulton's scale — its 7b band and its 232-day season. Your yard writes its own version of South Fulton'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 South Fulton’s own scale
6 of the readings below were taken at South Fulton's own scale — its own ~232-day season between 28°F freezes, the 2,165 acres it covers and 229 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- South Fulton's own USDA hardiness band, zones 7bUSDA PHZM 2023
- South Fulton's own 28°F hard-freeze dates, about Mar 23 and Nov 10 and the ~232-day span between themNOAA 1991–2020 Climate Normals
- 229 documented contamination sites on the federal record near South Fulton, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- South Fulton's boundary and the 2,165 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~232-day seasonGrowable Ground crop-matching engine
- The ecoregion at South Fulton's own centroid, the Mississippi Valley Loess PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so South Fulton's 2,165 acres read through its county's SSURGO summaryfrom Obion County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Obion County
- The growing challenges every Tennessee grower plans around — written at state scale, so they stay on the state guidefrom Tennessee
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Obion County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among South Fulton's 2,165 acreswhy one lot differs from the next →
- Which side of South Fulton you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,165 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 South Fulton-wide figureread your own land →