Athol, Massachusetts, sits in USDA hardiness zone 5b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Well-matched crops include cabbage, cranberry, lavender, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
You’re in Central Massachusetts
The inland heart of the state — rolling upland, cooler nights, and a shorter season than the coast. Stony glacial soils that reward the gardener who feeds and drains them.
Even in Athol, 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 Athol 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 Athol — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Athol — the short answer
Athol, Massachusetts: USDA zone 5b, about 173 days between hard freezes, across 5K acres of town.
- USDA zone
- 5b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 27
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 17
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~173
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 5K 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 5b is Athol's average, not your lot's — a low corner or a tree line moves it. Against Athol's 173-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Athol
Each reading below is measured for Athol itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredAthol runs about 173 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
MeasuredAthol sits in USDA hardiness zone 5b.
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 Athol is in
Athol sits in the Northeastern Coastal Zone — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Athol's own centroid rather than borrowed from Worcester County.
What Grows in Athol
Every plant below cleared Athol's own zone 5b and its 173-day season. Each card opens that plant's Massachusetts profile. How we score.
Is it too late to plant in Athol?
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 Mar 30; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 27 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 17 — long-season crops need about 90 days of runway, quick greens only 30. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
Documented around Athol
Spotted lanternfly documented 13 miles from Athol, first recorded 2021. What to watch for.
What's on the federal record near Athol
Closest first, within ~10 miles of Athol. Listing isn't leaking, and distance isn't exposure.
- ATHOL FUEL SERVICE INCUnderground Storage Tanks · 300 ft
- MASS DEVELOPMENTBrownfields · 300 ft
- PEQUOIG HOUSEBrownfields · 300 ft
- PARKER GAS INCUnderground Storage Tanks · 550 ft
- SHERWIN WILLIAMS COBrownfields · 600 ft
- BACHELDERS AUTOMOTIVEBrownfields · 600 ft
- TOWN OF ATHOL DPW WATER DIVISIONBrownfields · 600 ft
- CAMBIUM CORPORATIONToxics Release Inventory · 600 ft
- CAMBIUM CORPORATIONBrownfields · 600 ft
- GIRARDI DISTRIBUTORS LLCUnderground Storage Tanks · 650 ft
- GIRARDI DISTRIBUTORS CORPBrownfields · 750 ft
- CLARKS GARAGEBrownfields · 800 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Athol'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 Athol.
Total Sites
263
within ~10 miles of Athol
Risk Level
Elevated
Highest-severity
4 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Athol
Severity Distribution
within ~10 miles of Athol
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Athol, two things run higher than the national average within ~10 miles of Athol — PFAS (3 sites) and Superfund (4 sites). That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Athol
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 Athol average
Your land is one point inside Athol
Everything above resolves to Athol as a whole — one PHZM band and one 28°F frost record, read across 5K 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 Athol Average
Athol Average
- ●USDA Zones 5b, averaged across Athol
- ●One soil character for all of Athol
- ●Frost dates read at Athol's scale: Apr 27 to Oct 17
YOUR Parcel
- ✓Your exact zone, not Athol's 5b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Athol
Pull a site-specific report for your exact address in Athol, Massachusetts — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Athol averages can't show:
We read public map data around Athol — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Athol average
How we know this about Athol
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 Athol’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 Athol
When does frost risk typically end in Athol?
The last hard freeze (28°F) in Athol typically lands around Apr 27, 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 18.
When is the first frost in Athol?
The first hard freeze (28°F) in Athol typically arrives around Oct 17, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 3, so the watching starts about Sep 17 — about 173 days after the spring freeze cleared.
How long is the growing season in Athol?
Measured between 28°F hard freezes, Athol sees about 173 frost-free days — roughly Apr 27 through Oct 17, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 18 to Oct 3, about 138 days.
Is the soil safe to grow vegetables in Athol?
The federal record around Athol is a meaningful one — 263 documented sites, mostly Brownfields entries (134), the nearest Underground Storage Tanks record under a tenth of a mile 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 Athol?
From about Sep 17 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 17 (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 17. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Athol's scale — its 5b band and its 173-day season. Your yard writes its own version of Athol'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 Athol’s own scale
7 of the readings below were taken at Athol's own scale — its own ~173-day season between 28°F freezes, the 5,240 acres it covers and 263 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Athol's own USDA hardiness band, zones 5bUSDA PHZM 2023
- Athol's own 28°F hard-freeze dates, about Apr 27 and Oct 17 and the ~173-day span between themNOAA 1991–2020 Climate Normals
- 263 documented contamination sites on the federal record near Athol, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Athol's boundary and the 5,240 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5b and a ~173-day seasonGrowable Ground crop-matching engine
- The ecoregion at Athol's own centroid, the Northeastern Coastal ZoneUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Athollydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Athol's 5,240 acres read through its county's SSURGO summaryfrom Worcester County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Worcester County
- The growing challenges every Massachusetts grower plans around — written at state scale, so they stay on the state guidefrom Massachusetts
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Worcester County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Athol's 5,240 acreswhy one lot differs from the next →
- Which side of Athol you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,240 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Athol-wide figureread your own land →
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