Sheffield, Alabama, sits in USDA hardiness zone 8a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Well-matched crops include cabbage, fig, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Sheffield, 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 Sheffield 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 Sheffield — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Sheffield — the short answer
Sheffield, Alabama: USDA zone 8a, about 254 days between hard freezes, across 4K acres of city.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 9
- 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
- ~254
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 4K 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 Sheffield's average, not your lot's — a low corner or a tree line moves it. Against Sheffield's 254-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Sheffield
Each reading below is measured for Sheffield itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSheffield runs about 254 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
MeasuredSheffield 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 Sheffield is in
Sheffield sits in the Interior Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Sheffield's own centroid rather than borrowed from Colbert County.
What Grows in Sheffield
Every plant below cleared Sheffield's own zone 8a and its 254-day season. Each card opens that plant's Alabama profile. How we score.
Is it too late to plant in Sheffield?
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 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 18 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
What's on the federal record near Sheffield
Closest first, within ~10 miles of Sheffield. Listing isn't leaking, and distance isn't exposure.
- SHEFFIELD UTILITIES DEPARTMENTPFAS · 550 ft
- BIGUNS MARKET (ZIPPY MART #650)Underground Storage Tanks · 650 ft
- DELTA AUTOMOTIVE INC.Brownfields · 700 ft
- RACEWAY SERVICE STATION #886Underground Storage Tanks · 700 ft
- HOLTS SERVICE STATIONUnderground Storage Tanks · 800 ft
- JOHNSONS AUTO SALES & SERVICEBrownfields · 850 ft
- NELDA STEPHENSON BUICK-OLDSMOBILEUnderground Storage Tanks · 950 ft
- JR'S EXXONUnderground Storage Tanks · 1000 ft
- TOWN PLAZA CHEVRONUnderground Storage Tanks · 1000 ft
- READY MIX USA BLUE STAR DIVISIONUnderground Storage Tanks · 1100 ft
- JC BOXS TEXACOUnderground Storage Tanks · 1100 ft
- YELLOW CAB COUnderground Storage Tanks · 1200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Sheffield'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 Sheffield.
Total Sites
718
within ~10 miles of Sheffield
Risk Level
Elevated
Highest-severity
16 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Sheffield
Severity Distribution
within ~10 miles of Sheffield
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Sheffield, two things run higher than the national average within ~10 miles of Sheffield — Superfund (16 sites) and PFAS (9 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Sheffield
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 Sheffield average
Your land is one point inside Sheffield
Everything above resolves to Sheffield as a whole — one PHZM band and one 28°F frost record, read across 4K 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 Sheffield Average
Sheffield Average
- ●USDA Zones 8a, averaged across Sheffield
- ●One soil character for all of Sheffield
- ●Frost dates read at Sheffield's scale: Mar 9 to Nov 18
YOUR Parcel
- ✓Your exact zone, not Sheffield's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Sheffield
Pull a site-specific report for your exact address in Sheffield, Alabama — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sheffield averages can't show:
We read public map data around Sheffield — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sheffield average
How we know this about Sheffield
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 Sheffield’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 Sheffield
When does frost risk typically end in Sheffield?
The last hard freeze (28°F) in Sheffield 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 Sheffield?
The first hard freeze (28°F) in Sheffield 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 254 days after the spring freeze cleared.
How long is the growing season in Sheffield?
Measured between 28°F hard freezes, Sheffield sees about 254 frost-free days — roughly Mar 9 through Nov 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 30 to Nov 4, about 219 days.
Is the soil safe to grow vegetables in Sheffield?
The federal record around Sheffield is a meaningful one — 718 documented sites, mostly Underground Storage Tanks entries (404), the nearest PFAS 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 Sheffield?
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 Sheffield's scale — its 8a band and its 254-day season. Your yard writes its own version of Sheffield'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 Sheffield’s own scale
6 of the readings below were taken at Sheffield's own scale — its own ~254-day season between 28°F freezes, the 4,473 acres it covers and 718 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Sheffield's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Sheffield's own 28°F hard-freeze dates, about Mar 9 and Nov 18 and the ~254-day span between themNOAA 1991–2020 Climate Normals
- 718 documented contamination sites on the federal record near Sheffield, the closest PFAS record about 0.1 miles out from the town centreFederal environmental registers
- Sheffield's boundary and the 4,473 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~254-day seasonGrowable Ground crop-matching engine
- The ecoregion at Sheffield's own centroid, the Interior PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Sheffield's 4,473 acres read through its county's SSURGO summaryfrom Colbert County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Colbert County
- The growing challenges every Alabama grower plans around — written at state scale, so they stay on the state guidefrom Alabama
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Colbert County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sheffield's 4,473 acreswhy one lot differs from the next →
- Which side of Sheffield you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 4,473 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest PFAS 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 Sheffield-wide figureread your own land →