Readsboro, Vermont, sits in USDA hardiness zone 5b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
The conditions favor cabbage, cranberry, lavender, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Readsboro, 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 Readsboro 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 Readsboro — soil, climate, flood, and parcel records. How we handle your address.
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Readsboro — the short answer
Readsboro, Vermont: USDA zone 5b, about 167 days between hard freezes, across 787 acres of town.
- USDA zone
- 5b
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 15
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~167
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 787 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 Readsboro's average, not your lot's — a low corner or a tree line moves it. Against Readsboro's 167-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Readsboro
Each reading below is measured for Readsboro itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredReadsboro runs about 167 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
MeasuredReadsboro 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 Readsboro is in
Readsboro sits in the Northeastern Highlands — EPA Level III, inside the wider Northern Forests. That is read at Readsboro's own centroid rather than borrowed from Bennington County.
What Grows in Readsboro
Every plant below cleared Readsboro's own zone 5b and its 167-day season. Each card opens that plant's Vermont profile. How we score.
Is it too late to plant in Readsboro?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 15 — long-season crops need about 90 days of runway, quick greens only 30. The tail of the season still works: sixty-day crops into late summer, quick greens after, garlic last of all.
Documented around Readsboro
Spotted lanternfly documented 30 miles from Readsboro, first recorded 2021. What to watch for.
What's on the federal record near Readsboro
Closest first, within ~10 miles of Readsboro. Listing isn't leaking, and distance isn't exposure.
- READSBORO ELECTRICBrownfields · 2500 ft
- EILERS BROS TRUCKING & EXCAVATING INCBrownfields · 2500 ft
- Readsboro General StoreUnderground Storage Tanks · 0.6 mi
- Town of Readsboro Town Garage #2Underground Storage Tanks · 0.6 mi
- Mack Brothers IncUnderground Storage Tanks · 0.6 mi
- Town of Readsboro Town Garage #1Underground Storage Tanks · 0.6 mi
- Zazula ResidenceUnderground Storage Tanks · 1.1 mi
- Harriman StationUnderground Storage Tanks · 1.2 mi
- TRANSCANADA HYDRO NORTHEAST HARRIMAN STATIONBrownfields · 1.2 mi
- MA-M3W 2Nitrate · 2.4 mi
- MA-M3W 3Nitrate · 2.5 mi
- Barkus ExcavatingUnderground Storage Tanks · 2.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Readsboro'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 Readsboro.
Total Sites
212
within ~10 miles of Readsboro
Risk Level
Elevated
Highest-severity
5 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Readsboro
Severity Distribution
within ~10 miles of Readsboro
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Readsboro, Superfund runs higher than the national average — 5 sites within ~10 miles of Readsboro. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Readsboro
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 Readsboro average
Your land is one point inside Readsboro
Everything above resolves to Readsboro as a whole — one PHZM band and one 28°F frost record, read across 787 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 Readsboro Average
Readsboro Average
- ●USDA Zones 5b, averaged across Readsboro
- ●One soil character for all of Readsboro
- ●Frost dates read at Readsboro's scale: May 1 to Oct 15
YOUR Parcel
- ✓Your exact zone, not Readsboro's 5b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Readsboro
Pull a site-specific report for your exact address in Readsboro, Vermont — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Readsboro averages can't show:
We read public map data around Readsboro — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Readsboro average
How we know this about Readsboro
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 Readsboro’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 Readsboro
When does frost risk typically end in Readsboro?
The last hard freeze (28°F) in Readsboro typically lands around May 1, 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 22.
When is the first frost in Readsboro?
The first hard freeze (28°F) in Readsboro typically arrives around Oct 15, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 1, so the watching starts about Sep 15 — about 167 days after the spring freeze cleared.
How long is the growing season in Readsboro?
Measured between 28°F hard freezes, Readsboro sees about 167 frost-free days — roughly May 1 through Oct 15, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 22 to Oct 1, about 132 days.
Is the soil safe to grow vegetables in Readsboro?
The federal record around Readsboro is a meaningful one — 212 documented sites, mostly Underground Storage Tanks entries (87), the nearest Brownfields 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 Readsboro?
From about Sep 15 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 15 (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 15. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Readsboro's scale — its 5b band and its 167-day season. Your yard writes its own version of Readsboro'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 Readsboro’s own scale
7 of the readings below were taken at Readsboro's own scale — its own ~167-day season between 28°F freezes, the 787 acres it covers and 212 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Readsboro's own USDA hardiness band, zones 5bUSDA PHZM 2023
- Readsboro's own 28°F hard-freeze dates, about May 1 and Oct 15 and the ~167-day span between themNOAA 1991–2020 Climate Normals
- 212 documented contamination sites on the federal record near Readsboro, the closest Brownfields record about 0.5 miles out from the town centreFederal environmental registers
- Readsboro's boundary and the 787 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5b and a ~167-day seasonGrowable Ground crop-matching engine
- The ecoregion at Readsboro's own centroid, the Northeastern HighlandsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Readsborolydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Readsboro's 787 acres read through its county's SSURGO summaryfrom Bennington County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Bennington County
- The growing challenges every Vermont grower plans around — written at state scale, so they stay on the state guidefrom Vermont
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Bennington County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Readsboro's 787 acreswhy one lot differs from the next →
- Which side of Readsboro you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 787 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Readsboro-wide figureread your own land →
More in Vermont
Wider growing context
What grows across VermontReadsboro sits outside our named growing regions, so Vermont as a whole is its closest context here.
Nearby growing guides