Athens, Wisconsin, sits in USDA hardiness zone 4b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
These conditions suit cabbage, cranberry, turkish rocket, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Athens, 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 Athens 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 Athens — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Athens — the short answer
Athens, Wisconsin: USDA zone 4b, about 163 days between hard freezes, across 2K acres of town.
- USDA zone
- 4b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~163
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town 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 4b is Athens's average, not your lot's — a low corner or a tree line moves it. Against Athens's 163-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Athens
Each reading below is measured for Athens itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredAthens runs about 163 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredAthens sits in USDA hardiness zone 4b.
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 Athens is in
Athens sits in the North Central Hardwood Forests — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Athens's own centroid rather than borrowed from Marathon County.
What Grows in Athens
Every plant below cleared Athens's own zone 4b and its 163-day season. Each card opens that plant's Wisconsin profile. How we score.
Is it too late to plant in Athens?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 2; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 30 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 10 — long-season crops need about 90 days of runway, quick greens only 30. Late in the year the fall bench takes over — quick greens, radishes, and garlic that repays you next summer.
What's on the federal record near Athens
Closest first, within ~10 miles of Athens. Listing isn't leaking, and distance isn't exposure.
- A & L Oil IncUnderground Storage Tanks · 650 ft
- STEIDINGER OIL CO INCUnderground Storage Tanks · 650 ft
- RIETBROCK READY MIX INCUnderground Storage Tanks · 750 ft
- LEONARD STAUSKEUnderground Storage Tanks · 750 ft
- RAYMOND WEISSUnderground Storage Tanks · 750 ft
- EARL PROCHNOWUnderground Storage Tanks · 750 ft
- JAMES H KLEINSCHMIDTUnderground Storage Tanks · 750 ft
- FROMM BROS GARAGEUnderground Storage Tanks · 750 ft
- Herbert BrunkeUnderground Storage Tanks · 750 ft
- MILAN EQUIPMENT SALESUnderground Storage Tanks · 750 ft
- STEINAGELS BAR & HALLUnderground Storage Tanks · 750 ft
- THOMAS MARCONUnderground Storage Tanks · 950 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Athens'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 Athens.
Total Sites
116
within ~10 miles of Athens
Risk Level
Moderate
Highest-severity
4 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Athens
Severity Distribution
within ~10 miles of Athens
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Athens, two things run higher than the national average within ~10 miles of Athens — CAFO (3 sites) and Underground Storage Tanks (94 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Athens
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 Athens average
Your land is one point inside Athens
Everything above resolves to Athens 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 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 Athens Average
Athens Average
- ●USDA Zones 4b, averaged across Athens
- ●One soil character for all of Athens
- ●Frost dates read at Athens's scale: Apr 30 to Oct 10
YOUR Parcel
- ✓Your exact zone, not Athens's 4b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Athens
Pull a site-specific report for your exact address in Athens, Wisconsin — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Athens averages can't show:
We read public map data around Athens — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Athens average
How we know this about Athens
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 Athens’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 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 Athens
When does frost risk typically end in Athens?
The last hard freeze (28°F) in Athens typically lands around Apr 30, 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 May 21.
When is the first frost in Athens?
The first hard freeze (28°F) in Athens typically arrives around Oct 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 26, so the watching starts about Sep 10 — about 163 days after the spring freeze cleared.
How long is the growing season in Athens?
Measured between 28°F hard freezes, Athens sees about 163 frost-free days — roughly Apr 30 through Oct 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 21 to Sep 26, about 128 days.
Is the soil safe to grow vegetables in Athens?
The federal record around Athens shows 116 documented sites, mostly Underground Storage Tanks entries (94), the nearest Underground Storage Tanks record about 0.1 miles out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Athens?
From about Sep 10 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 Oct 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 Oct 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Athens's scale — its 4b band and its 163-day season. Your yard writes its own version of Athens'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 Athens’s own scale
6 of the readings below were taken at Athens's own scale — its own ~163-day season between 28°F freezes, the 1,568 acres it covers and 116 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Athens's own USDA hardiness band, zones 4bUSDA PHZM 2023
- Athens's own 28°F hard-freeze dates, about Apr 30 and Oct 10 and the ~163-day span between themNOAA 1991–2020 Climate Normals
- 116 documented contamination sites on the federal record near Athens, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Athens's boundary and the 1,568 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 4b and a ~163-day seasonGrowable Ground crop-matching engine
- The ecoregion at Athens's own centroid, the North Central Hardwood ForestsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Athens's 1,568 acres read through its county's SSURGO summaryfrom Marathon County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Marathon County
- The growing challenges every Wisconsin grower plans around — written at state scale, so they stay on the state guidefrom Wisconsin
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Marathon County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Athens's 1,568 acreswhy one lot differs from the next →
- Which side of Athens you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,568 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Athens-wide figureread your own land →
More in Wisconsin
Wider growing context
What grows across WisconsinAthens sits outside our named growing regions, so Wisconsin as a whole is its closest context here.
Nearby growing guides