East Pepperell, Massachusetts, sits in USDA hardiness zone 6a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Reliable performers under these conditions include cabbage, hazelnut, lavender, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
You’re in Greater Boston
The state's dense urban core, where growing means raised beds, community plots, and back-lot kitchen gardens more than open field. A long, mild season for the region — but city soil is the thing to know before you dig.
Even in East Pepperell, 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 East Pepperell 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 East Pepperell — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
East Pepperell — the short answer
East Pepperell, Massachusetts: USDA zone 6a, about 188 days between hard freezes, across 906 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~188
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 906 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 6a is East Pepperell's average, not your lot's — a low corner or a tree line moves it. Against East Pepperell's 188-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in East Pepperell
Each reading below is measured for East Pepperell itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredEast Pepperell runs about 188 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
MeasuredEast Pepperell sits in USDA hardiness zone 6a.
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 East Pepperell is in
East Pepperell sits in the Northeastern Coastal Zone — EPA Level III, inside the wider Eastern Temperate Forests. That is read at East Pepperell's own centroid rather than borrowed from Middlesex County.
What Grows in East Pepperell
Every plant below cleared East Pepperell's own zone 6a and its 188-day season. Each card opens that plant's Massachusetts profile. How we score.






























Is it too late to plant in East Pepperell?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 19; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 16 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 21 — 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 East Pepperell
Spotted lanternfly documented 8 miles from East Pepperell, first recorded 2022. What to watch for.
What's on the federal record near East Pepperell
Closest first, within ~10 miles of East Pepperell. Listing isn't leaking, and distance isn't exposure.
- TOWN OF PEPPERELL HIGHWAY DEPTUnderground Storage Tanks · 650 ft
- PEPPERELL HIGHWAY DEPTBrownfields · 1500 ft
- C W FUELS INCUnderground Storage Tanks · 2300 ft
- TROWBRIDGE RESIDENCEBrownfields · 2600 ft
- WALGREEN 17464Brownfields · 0.6 mi
- KEMP'S SERVICE STATIONUnderground Storage Tanks · 0.7 mi
- KIRK MOTOR WORKS INC.Brownfields · 0.7 mi
- PEPERELL PAPERToxics Release Inventory · 0.8 mi
- PEPPERELL HYDRO COMPANY LLCBrownfields · 0.8 mi
- CUMBERLAND FARMS INCBrownfields · 0.8 mi
- ALCAMI CORPORATIONBrownfields · 0.8 mi
- CUMBERLAND FARMS #2038Underground Storage Tanks · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from East Pepperell'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 East Pepperell.
Sources Checked
within ~10 miles of East Pepperell
Severity Distribution
within ~10 miles of East Pepperell
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around East Pepperell, two things run higher than the national average within ~10 miles of East Pepperell — PFAS (14 sites) and Superfund (21 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 East Pepperell
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 East Pepperell average
Your land is one point inside East Pepperell
Everything above resolves to East Pepperell as a whole — one PHZM band and one 28°F frost record, read across 906 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 East Pepperell Average
East Pepperell Average
- ●USDA Zones 6a, averaged across East Pepperell
- ●One soil character for all of East Pepperell
- ●Frost dates read at East Pepperell's scale: Apr 16 to Oct 21
YOUR Parcel
- ✓Your exact zone, not East Pepperell's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in East Pepperell
Pull a site-specific report for your exact address in East Pepperell, Massachusetts — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that East Pepperell averages can't show:
We read public map data around East Pepperell — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the East Pepperell average
How we know this about East Pepperell
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 East Pepperell’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 East Pepperell
When does frost risk typically end in East Pepperell?
The last hard freeze (28°F) in East Pepperell typically lands around Apr 16, 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 7.
When is the first frost in East Pepperell?
The first hard freeze (28°F) in East Pepperell typically arrives around Oct 21, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 7, so the watching starts about Sep 21 — about 188 days after the spring freeze cleared.
How long is the growing season in East Pepperell?
Measured between 28°F hard freezes, East Pepperell sees about 188 frost-free days — roughly Apr 16 through Oct 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 7 to Oct 7, about 153 days.
Is the soil safe to grow vegetables in East Pepperell?
The federal record around East Pepperell runs heavier than most — 1,245 documented sites, mostly Brownfields entries (633), the nearest Underground Storage Tanks record about 0.1 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in East Pepperell?
From about Sep 21 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 21 (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 21. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at East Pepperell's scale — its 6a band and its 188-day season. Your yard writes its own version of East Pepperell'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 East Pepperell’s own scale
7 of the readings below were taken at East Pepperell's own scale — its own ~188-day season between 28°F freezes, the 906 acres it covers and 1,245 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- East Pepperell's own USDA hardiness band, zones 6aUSDA PHZM 2023
- East Pepperell's own 28°F hard-freeze dates, about Apr 16 and Oct 21 and the ~188-day span between themNOAA 1991–2020 Climate Normals
- 1,245 documented contamination sites on the federal record near East Pepperell, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- East Pepperell's boundary and the 906 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~188-day seasonGrowable Ground crop-matching engine
- The ecoregion at East Pepperell's own centroid, the Northeastern Coastal ZoneUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of East Pepperelllydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so East Pepperell's 906 acres read through its county's SSURGO summaryfrom Middlesex County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Middlesex 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 Middlesex County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among East Pepperell's 906 acreswhy one lot differs from the next →
- Which side of East Pepperell you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 906 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 East Pepperell-wide figureread your own land →
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