North Tonawanda, New York, sits in USDA hardiness zone 6b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
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.
Even in North Tonawanda, 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 North Tonawanda 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 North Tonawanda — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
North Tonawanda — the short answer
North Tonawanda, New York: USDA zone 6b, about 211 days between hard freezes, across 6K acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~211
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 6K 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 North Tonawanda's average, not your lot's — a low corner or a tree line moves it. Against North Tonawanda's 211-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in North Tonawanda
Each reading below is measured for North Tonawanda itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredNorth Tonawanda runs about 211 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals

Winter hardiness
MeasuredNorth Tonawanda 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 North Tonawanda is in
North Tonawanda sits in the Eastern Great Lakes Lowlands — EPA Level III, inside the wider Eastern Temperate Forests. That is read at North Tonawanda's own centroid rather than borrowed from Niagara County.
What Grows in North Tonawanda
Every plant below cleared North Tonawanda's own zone 6b and its 211-day season. Each card opens that plant's New York profile. How we score.






























Is it too late to plant in North Tonawanda?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 10 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around North Tonawanda
Spotted lanternfly documented 10 miles from North Tonawanda, first recorded 2020. What to watch for.
What's on the federal record near North Tonawanda
Closest first, within ~10 miles of North Tonawanda. Listing isn't leaking, and distance isn't exposure.
- SENIOR HIGH SCHOOLUnderground Storage Tanks · 650 ft
- NORTH TONAWANDA SENIOR HIGH SCHOOLBrownfields · 1100 ft
- RITE AID #10819Brownfields · 1200 ft
- NOCO EXPRESS S-11Underground Storage Tanks · 1500 ft
- TOPS MARKETS #240Underground Storage Tanks · 1600 ft
- FAMILY DOLLAR STORE 4723Brownfields · 1700 ft
- SHERWIN WILLIAMS STORE 1166Brownfields · 1700 ft
- ADVANCE AUTO PARTS #6847Brownfields · 1700 ft
- NOCO EXPRESS 11Underground Storage Tanks · 2100 ft
- NASH ROAD GULFUnderground Storage Tanks · 2100 ft
- BROWNIES AUTOCAREUnderground Storage Tanks · 2300 ft
- OCCIDENTAL CHEMICAL CORP-DUREZ DIVISIONUnderground Storage Tanks · 0.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from North Tonawanda'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 North Tonawanda.
Sources Checked
within ~10 miles of North Tonawanda
Severity Distribution
within ~10 miles of North Tonawanda
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around North Tonawanda, two things run higher than the national average within ~10 miles of North Tonawanda — Superfund (52 sites) and Toxics Release Inventory (162 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in North Tonawanda
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 North Tonawanda average
Your land is one point inside North Tonawanda
Everything above resolves to North Tonawanda as a whole — one PHZM band and one 28°F frost record, read across 6K 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 city 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 North Tonawanda Average
North Tonawanda Average
- ●USDA Zones 6b, averaged across North Tonawanda
- ●One soil character for all of North Tonawanda
- ●Frost dates read at North Tonawanda's scale: Apr 13 to Nov 10
YOUR Parcel
- ✓Your exact zone, not North Tonawanda's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in North Tonawanda
Pull a site-specific report for your exact address in North Tonawanda, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that North Tonawanda averages can't show:
We read public map data around North Tonawanda — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the North Tonawanda average
How we know this about North Tonawanda
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at North Tonawanda’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 city grain anywhere on this page — there is no city-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 North Tonawanda
When does frost risk typically end in North Tonawanda?
The last hard freeze (28°F) in North Tonawanda typically lands around Apr 13, 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 4.
When is the first frost in North Tonawanda?
The first hard freeze (28°F) in North Tonawanda typically arrives around Nov 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 27, so the watching starts about Oct 11 — about 211 days after the spring freeze cleared.
How long is the growing season in North Tonawanda?
Measured between 28°F hard freezes, North Tonawanda sees about 211 frost-free days — roughly Apr 13 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 4 to Oct 27, about 176 days.
Is the soil safe to grow vegetables in North Tonawanda?
The federal record around North Tonawanda runs heavier than most — 2,221 documented sites, mostly Underground Storage Tanks entries (1,097), 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 North Tonawanda?
From about Oct 11 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 Nov 10 (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 Nov 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at North Tonawanda's scale — its 6b band and its 211-day season. Your yard writes its own version of North Tonawanda'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 North Tonawanda’s own scale
7 of the readings below were taken at North Tonawanda's own scale — its own ~211-day season between 28°F freezes, the 6,460 acres it covers and 2,221 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- North Tonawanda's own USDA hardiness band, zones 6bUSDA PHZM 2023
- North Tonawanda's own 28°F hard-freeze dates, about Apr 13 and Nov 10 and the ~211-day span between themNOAA 1991–2020 Climate Normals
- 2,221 documented contamination sites on the federal record near North Tonawanda, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- North Tonawanda's boundary and the 6,460 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~211-day seasonGrowable Ground crop-matching engine
- The ecoregion at North Tonawanda's own centroid, the Eastern Great Lakes LowlandsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of North Tonawandalydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so North Tonawanda's 6,460 acres read through its county's SSURGO summaryfrom Niagara County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Niagara 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 Niagara County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among North Tonawanda's 6,460 acreswhy one lot differs from the next →
- Which side of North Tonawanda you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 6,460 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 North Tonawanda-wide figureread your own land →
