Sinclairville, New York, sits in USDA hardiness zone 6a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
The conditions favor cabbage, hazelnut, lavender, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Sinclairville, 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 Sinclairville 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 Sinclairville — soil, climate, flood, and parcel records. How we handle your address.
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Sinclairville — the short answer
Sinclairville, New York: USDA zone 6a, about 183 days between hard freezes, across 1K acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 28
- 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
- ~183
- 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 6a is Sinclairville's average, not your lot's — a low corner or a tree line moves it. Against Sinclairville's 183-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Sinclairville
Each reading below is measured for Sinclairville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSinclairville runs about 183 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
MeasuredSinclairville 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 Sinclairville is in
Sinclairville sits in the Erie Drift Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Sinclairville's own centroid rather than borrowed from Chautauqua County.
What Grows in Sinclairville
Every plant below cleared Sinclairville's own zone 6a and its 183-day season. Each card opens that plant's New York profile. How we score.
Is it too late to plant in Sinclairville?
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 31; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 28 (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. The tail of the season still works: sixty-day crops into late summer, quick greens after, garlic last of all.
Documented around Sinclairville
Spotted lanternfly documented 24 miles from Sinclairville, first recorded 2020. What to watch for.
What's on the federal record near Sinclairville
Closest first, within ~10 miles of Sinclairville. Listing isn't leaking, and distance isn't exposure.
- SINCLAIRVILLE MOTOR SALESUnderground Storage Tanks · 450 ft
- SINCLAIRVILLE SUPERETTEUnderground Storage Tanks · 600 ft
- CHARLIES WELDING & REPAIRUnderground Storage Tanks · 750 ft
- FORMER FEEGAN'S WITCH KITCH BAR & GRILLUnderground Storage Tanks · 0.7 mi
- VANSON SUPERIOR BRASSBrownfields · 0.8 mi
- VANSON SUPERIOR BRASSToxics Release Inventory · 0.8 mi
- RANCO INDUSTRIESToxics Release Inventory · 0.8 mi
- CU 641Nitrate · 1.0 mi
- CU 865Nitrate · 1.0 mi
- CASSADAGA VALLEY CENTRAL SCHOOLUnderground Storage Tanks · 1.4 mi
- CHAUTAUQUA COUNTY BRIDGE 959 BIN 3326160Brownfields · 2.0 mi
- GAYMARK TIRE & WHEEL INCUnderground Storage Tanks · 2.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Sinclairville'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 Sinclairville.
Total Sites
133
within ~10 miles of Sinclairville
Risk Level
Moderate
Highest-severity
3 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Sinclairville
Severity Distribution
within ~10 miles of Sinclairville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Sinclairville, CAFO runs higher than the national average — 10 sites within ~10 miles of Sinclairville. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Check your specific parcel in Sinclairville
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 Sinclairville average
Your land is one point inside Sinclairville
Everything above resolves to Sinclairville 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 Sinclairville Average
Sinclairville Average
- ●USDA Zones 6a, averaged across Sinclairville
- ●One soil character for all of Sinclairville
- ●Frost dates read at Sinclairville's scale: Apr 28 to Oct 28
YOUR Parcel
- ✓Your exact zone, not Sinclairville's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Sinclairville
Pull a site-specific report for your exact address in Sinclairville, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sinclairville averages can't show:
We read public map data around Sinclairville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sinclairville average
How we know this about Sinclairville
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 Sinclairville’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 Sinclairville
When does frost risk typically end in Sinclairville?
The last hard freeze (28°F) in Sinclairville typically lands around Apr 28, 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 19.
When is the first frost in Sinclairville?
The first hard freeze (28°F) in Sinclairville 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 183 days after the spring freeze cleared.
How long is the growing season in Sinclairville?
Measured between 28°F hard freezes, Sinclairville sees about 183 frost-free days — roughly Apr 28 through Oct 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 19 to Oct 14, about 148 days.
Is the soil safe to grow vegetables in Sinclairville?
The federal record around Sinclairville shows 133 documented sites, mostly Underground Storage Tanks entries (55), the nearest Underground Storage Tanks record under a tenth of a mile 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 Sinclairville?
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 Sinclairville's scale — its 6a band and its 183-day season. Your yard writes its own version of Sinclairville'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 Sinclairville’s own scale
7 of the readings below were taken at Sinclairville's own scale — its own ~183-day season between 28°F freezes, the 1,039 acres it covers and 133 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Sinclairville's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Sinclairville's own 28°F hard-freeze dates, about Apr 28 and Oct 28 and the ~183-day span between themNOAA 1991–2020 Climate Normals
- 133 documented contamination sites on the federal record near Sinclairville, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Sinclairville's boundary and the 1,039 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~183-day seasonGrowable Ground crop-matching engine
- The ecoregion at Sinclairville's own centroid, the Erie Drift PlainUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Sinclairvillelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Sinclairville's 1,039 acres read through its county's SSURGO summaryfrom Chautauqua County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Chautauqua County
- The growing challenges every New York grower plans around — written at state scale, so they stay on the state guidefrom New York
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Chautauqua County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sinclairville's 1,039 acreswhy one lot differs from the next →
- Which side of Sinclairville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,039 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 Sinclairville-wide figureread your own land →
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