Johnstown, New York, sits in USDA hardiness zone 5b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Well-matched crops include cabbage, cranberry, lavender, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Johnstown, 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 Johnstown 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 Johnstown — soil, climate, flood, and parcel records. How we handle your address.
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Johnstown — the short answer
Johnstown, New York: USDA zone 5b, about 181 days between hard freezes, across 3K acres of city.
- USDA zone
- 5b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 22
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 20
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~181
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 3K 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 Johnstown's average, not your lot's — a low corner or a tree line moves it. Against Johnstown's 181-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Johnstown
Each reading below is measured for Johnstown itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredJohnstown runs about 181 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
MeasuredJohnstown 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 Johnstown is in
Johnstown sits in the Eastern Great Lakes Lowlands — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Johnstown's own centroid, and it is not what its county reads: Fulton County is mostly Northeastern Highlands. The wider page above you is answering a different question about different ground.
What Grows in Johnstown
Every plant below cleared Johnstown's own zone 5b and its 181-day season. Each card opens that plant's New York profile. How we score.
Is it too late to plant in Johnstown?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Mar 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 20 — long-season crops need about 90 days of runway, quick greens only 30. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.
Documented around Johnstown
Spotted lanternfly documented 14 miles from Johnstown, first recorded 2023. What to watch for.
What's on the federal record near Johnstown
Closest first, within ~10 miles of Johnstown. Listing isn't leaking, and distance isn't exposure.
- FORMER DUROSS LEATHER SITEBrownfields · 300 ft
- JOHNSTOWN DODGEBrownfields · 400 ft
- NATIONAL GRID STONER SUBSTATIONBrownfields · 400 ft
- U.S. POST OFFICEUnderground Storage Tanks · 450 ft
- FRONTIER - A CITIZENS COMMUNICATIONS COMPANYUnderground Storage Tanks · 550 ft
- GORDON FINISHING CO INCSuperfund · 550 ft
- GORDON FINISHING CO INCBrownfields · 550 ft
- GATES-MILLS, INC.Underground Storage Tanks · 600 ft
- FLEET BANK, JOHNSTOWN BRANCHUnderground Storage Tanks · 650 ft
- MOHAN STOP N' SHOP, INC.Underground Storage Tanks · 650 ft
- R H CROWN CO INCToxics Release Inventory · 700 ft
- R H CROWN CO INCBrownfields · 700 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Johnstown'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 Johnstown.
Sources Checked
within ~10 miles of Johnstown
Severity Distribution
within ~10 miles of Johnstown
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Johnstown, two things run higher than the national average within ~10 miles of Johnstown — Superfund (20 sites) and CAFO (13 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Superfund: Superfund sites represent the most severe contamination in the federal system.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Check your specific parcel in Johnstown
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 Johnstown average
Your land is one point inside Johnstown
Everything above resolves to Johnstown as a whole — one PHZM band and one 28°F frost record, read across 3K 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 Johnstown Average
Johnstown Average
- ●USDA Zones 5b, averaged across Johnstown
- ●One soil character for all of Johnstown
- ●Frost dates read at Johnstown's scale: Apr 22 to Oct 20
YOUR Parcel
- ✓Your exact zone, not Johnstown's 5b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Johnstown
Pull a site-specific report for your exact address in Johnstown, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Johnstown averages can't show:
We read public map data around Johnstown — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Johnstown average
How we know this about Johnstown
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 Johnstown’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 Johnstown
When does frost risk typically end in Johnstown?
The last hard freeze (28°F) in Johnstown typically lands around Apr 22, 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 13.
When is the first frost in Johnstown?
The first hard freeze (28°F) in Johnstown typically arrives around Oct 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 6, so the watching starts about Sep 20 — about 181 days after the spring freeze cleared.
How long is the growing season in Johnstown?
Measured between 28°F hard freezes, Johnstown sees about 181 frost-free days — roughly Apr 22 through Oct 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 13 to Oct 6, about 146 days.
Is the soil safe to grow vegetables in Johnstown?
The federal record around Johnstown is a meaningful one — 451 documented sites, mostly Underground Storage Tanks entries (212), the nearest Brownfields record under a tenth of a mile 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 Johnstown?
From about Sep 20 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 20 (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 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Johnstown's scale — its 5b band and its 181-day season. Your yard writes its own version of Johnstown'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 Johnstown’s own scale
7 of the readings below were taken at Johnstown's own scale — its own ~181-day season between 28°F freezes, the 3,085 acres it covers and 451 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Johnstown's own USDA hardiness band, zones 5bUSDA PHZM 2023
- Johnstown's own 28°F hard-freeze dates, about Apr 22 and Oct 20 and the ~181-day span between themNOAA 1991–2020 Climate Normals
- 451 documented contamination sites on the federal record near Johnstown, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Johnstown's boundary and the 3,085 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5b and a ~181-day seasonGrowable Ground crop-matching engine
- Johnstown sits in the Eastern Great Lakes Lowlands — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Johnstownlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Johnstown's 3,085 acres read through its county's SSURGO summaryfrom Fulton County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Fulton 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 Fulton County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Johnstown's 3,085 acreswhy one lot differs from the next →
- Which side of Johnstown you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,085 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Johnstown-wide figureread your own land →
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