Canaan, Vermont, sits in USDA hardiness zone 4a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Expect cabbage, cranberry, turkish rocket, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Canaan, 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 Canaan 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 Canaan — soil, climate, flood, and parcel records. How we handle your address.
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Canaan — the short answer
Canaan, Vermont: USDA zone 4a, about 150 days between hard freezes, across 1K acres of town.
- USDA zone
- 4a
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 9
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~150
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 4a is Canaan's average, not your lot's — a low corner or a tree line moves it. Against Canaan's 150-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Canaan
Each reading below is measured for Canaan itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCanaan runs about 150 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
MeasuredCanaan sits in USDA hardiness zone 4a.
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 Canaan is in
Canaan sits in the Northeastern Highlands — EPA Level III, inside the wider Northern Forests. That is read at Canaan's own centroid rather than borrowed from Essex County.
What Grows in Canaan
Every plant below cleared Canaan's own zone 4a and its 150-day season. Each card opens that plant's Vermont profile. How we score.
Is it too late to plant in Canaan?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Apr 11; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 6 — 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.
What's on the federal record near Canaan
Closest first, within ~10 miles of Canaan. Listing isn't leaking, and distance isn't exposure.
- HHWC NEKWMD CANAAN TOWN GARAGEBrownfields · 0.6 mi
- Canaan Town GarageUnderground Storage Tanks · 0.6 mi
- TOWLES MINI MARTUnderground Storage Tanks · 0.6 mi
- ARM TRUCKING INCUnderground Storage Tanks · 0.6 mi
- LAFLAMME TRUCKING INCUnderground Storage Tanks · 0.8 mi
- SPA RESTAURANTUnderground Storage Tanks · 0.8 mi
- VTrans Canaan GarageUnderground Storage Tanks · 0.9 mi
- GREEN MOUNTAIN LOGGINGUnderground Storage Tanks · 0.9 mi
- Cunningham Full ServiceUnderground Storage Tanks · 0.9 mi
- CUNNINGHAM'S FULL SERVICE STATIONBrownfields · 0.9 mi
- Crawford PropertyUnderground Storage Tanks · 0.9 mi
- Quechee FarmsUnderground Storage Tanks · 1.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Canaan'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 Canaan.
Total Sites
89
within ~10 miles of Canaan
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Canaan
Severity Distribution
within ~10 miles of Canaan
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Canaan, Nitrate runs higher than the national average — 24 sites within ~10 miles of Canaan. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Canaan
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 Canaan average
Your land is one point inside Canaan
Everything above resolves to Canaan as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Canaan Average
Canaan Average
- ●USDA Zones 4a, averaged across Canaan
- ●One soil character for all of Canaan
- ●Frost dates read at Canaan's scale: May 9 to Oct 6
YOUR Parcel
- ✓Your exact zone, not Canaan's 4a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Canaan
Pull a site-specific report for your exact address in Canaan, Vermont — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Canaan averages can't show:
We read public map data around Canaan — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Canaan average
How we know this about Canaan
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 Canaan’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 Canaan
When does frost risk typically end in Canaan?
The last hard freeze (28°F) in Canaan typically lands around May 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 May 30.
When is the first frost in Canaan?
The first hard freeze (28°F) in Canaan typically arrives around Oct 6, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 22, so the watching starts about Sep 6 — about 150 days after the spring freeze cleared.
How long is the growing season in Canaan?
Measured between 28°F hard freezes, Canaan sees about 150 frost-free days — roughly May 9 through Oct 6, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 30 to Sep 22, about 115 days.
Is the soil safe to grow vegetables in Canaan?
The federal record around Canaan shows 89 documented sites, mostly Underground Storage Tanks entries (45), the nearest Brownfields record about 0.6 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 Canaan?
From about Sep 6 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 6 (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 6. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Canaan's scale — its 4a band and its 150-day season. Your yard writes its own version of Canaan'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 Canaan’s own scale
6 of the readings below were taken at Canaan's own scale — its own ~150-day season between 28°F freezes, the 1,005 acres it covers and 89 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Canaan's own USDA hardiness band, zones 4aUSDA PHZM 2023
- Canaan's own 28°F hard-freeze dates, about May 9 and Oct 6 and the ~150-day span between themNOAA 1991–2020 Climate Normals
- 89 documented contamination sites on the federal record near Canaan, the closest Brownfields record about 0.6 miles out from the town centreFederal environmental registers
- Canaan's boundary and the 1,005 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 4a and a ~150-day seasonGrowable Ground crop-matching engine
- The ecoregion at Canaan's own centroid, the Northeastern HighlandsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Canaan's 1,005 acres read through its county's SSURGO summaryfrom Essex County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Essex 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 Essex County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Canaan's 1,005 acreswhy one lot differs from the next →
- Which side of Canaan you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,005 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.6 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 Canaan-wide figureread your own land →
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