Quasset Lake, Connecticut, sits in USDA hardiness zone 6b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Among the crops suited to this profile: cabbage, hazelnut, lavender, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Quasset Lake, 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 Quasset Lake 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 Quasset Lake — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Quasset Lake — the short answer
Quasset Lake, Connecticut: USDA zone 6b, about 197 days between hard freezes, across 209 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~197
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 209 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 6b is Quasset Lake's average, not your lot's — a low corner or a tree line moves it. Against Quasset Lake's 197-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Quasset Lake
Each reading below is measured for Quasset Lake itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredQuasset Lake runs about 197 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
MeasuredQuasset Lake sits in USDA hardiness zone 6b.
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 Quasset Lake is in
Quasset Lake sits in the Northeastern Coastal Zone — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Quasset Lake's own centroid rather than borrowed from Northeastern Connecticut Planning Region.
What Grows in Quasset Lake
Every plant below cleared Quasset Lake's own zone 6b and its 197-day season. Each card opens that plant's Connecticut profile. How we score.
Is it too late to plant in Quasset Lake?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 14 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 28 — 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.
Documented around Quasset Lake
Spotted lanternfly documented 23 miles from Quasset Lake, first recorded 2022. What to watch for.
What's on the federal record near Quasset Lake
Closest first, within ~10 miles of Quasset Lake. Listing isn't leaking, and distance isn't exposure.
- LINEMASTER SWITCH CORPORATIONBrownfields · 1.3 mi
- LINEMASTER SWITCH CORPORATIONToxics Release Inventory · 1.3 mi
- HYDE SCHOOLUnderground Storage Tanks · 1.3 mi
- LINEMASTER SWITCH CORPUnderground Storage Tanks · 1.3 mi
- LINEMASTER SWITCH CORP-TREATMENT PLANTSuperfund · 1.5 mi
- MXI INC/WOODSTOCK TOWN HALLBrownfields · 1.6 mi
- WOODSTOCK TOWN HALLUnderground Storage Tanks · 1.6 mi
- S.A.S. CONSTRUCTION, INC.Underground Storage Tanks · 1.6 mi
- HALE ZAHANSKYBrownfields · 1.7 mi
- WOODSTOCK PUBLIC SCHOOLUnderground Storage Tanks · 1.7 mi
- FIBEROPTICS TECHNOLOGY INCBrownfields · 1.8 mi
- CT-PO 49Nitrate · 1.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Quasset Lake'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 Quasset Lake.
Sources Checked
within ~10 miles of Quasset Lake
Severity Distribution
within ~10 miles of Quasset Lake
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Quasset Lake, two things run higher than the national average within ~10 miles of Quasset Lake — Superfund (14 sites) and PFAS (5 sites). 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.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Quasset Lake
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 Quasset Lake average
Your land is one point inside Quasset Lake
Everything above resolves to Quasset Lake as a whole — one PHZM band and one 28°F frost record, read across 209 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 Quasset Lake Average
Quasset Lake Average
- ●USDA Zones 6b, averaged across Quasset Lake
- ●One soil character for all of Quasset Lake
- ●Frost dates read at Quasset Lake's scale: Apr 14 to Oct 28
YOUR Parcel
- ✓Your exact zone, not Quasset Lake's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Quasset Lake
Pull a site-specific report for your exact address in Quasset Lake, Connecticut — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Quasset Lake averages can't show:
We read public map data around Quasset Lake — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Quasset Lake average
How we know this about Quasset Lake
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 Quasset Lake’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 Quasset Lake
When does frost risk typically end in Quasset Lake?
The last hard freeze (28°F) in Quasset Lake typically lands around Apr 14, 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 5.
When is the first frost in Quasset Lake?
The first hard freeze (28°F) in Quasset Lake typically arrives around Oct 28, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 14, so the watching starts about Sep 28 — about 197 days after the spring freeze cleared.
How long is the growing season in Quasset Lake?
Measured between 28°F hard freezes, Quasset Lake sees about 197 frost-free days — roughly Apr 14 through Oct 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 5 to Oct 14, about 162 days.
Is the soil safe to grow vegetables in Quasset Lake?
The federal record around Quasset Lake is a meaningful one — 567 documented sites, mostly Underground Storage Tanks entries (219), the nearest Brownfields record about 1.3 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 Quasset Lake?
From about Sep 28 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 28 (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 28. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Quasset Lake's scale — its 6b band and its 197-day season. Your yard writes its own version of Quasset Lake'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 Quasset Lake’s own scale
7 of the readings below were taken at Quasset Lake's own scale — its own ~197-day season between 28°F freezes, the 209 acres it covers and 567 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Quasset Lake's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Quasset Lake's own 28°F hard-freeze dates, about Apr 14 and Oct 28 and the ~197-day span between themNOAA 1991–2020 Climate Normals
- 567 documented contamination sites on the federal record near Quasset Lake, the closest Brownfields record about 1.3 miles out from the town centreFederal environmental registers
- Quasset Lake's boundary and the 209 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~197-day seasonGrowable Ground crop-matching engine
- The ecoregion at Quasset Lake's own centroid, the Northeastern Coastal ZoneUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Quasset Lakelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Quasset Lake's 209 acres read through its county's SSURGO summaryfrom Northeastern Connecticut County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Northeastern Connecticut County
- The growing challenges every Connecticut grower plans around — written at state scale, so they stay on the state guidefrom Connecticut
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Northeastern Connecticut County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Quasset Lake's 209 acreswhy one lot differs from the next →
- Which side of Quasset Lake you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 209 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 1.3 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 Quasset Lake-wide figureread your own land →
More in Connecticut
Wider growing context
What grows across ConnecticutQuasset Lake sits outside our named growing regions, so Connecticut as a whole is its closest context here.
Nearby growing guides