South Corning, New York, sits in USDA hardiness zone 6a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, blackberry, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in South Corning, 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 South Corning 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 South Corning — soil, climate, flood, and parcel records. How we handle your address.
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South Corning — the short answer
South Corning, New York: USDA zone 6a, about 171 days between hard freezes, across 395 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~171
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 395 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 South Corning's average, not your lot's — a low corner or a tree line moves it. Against South Corning's 171-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in South Corning
Each reading below is measured for South Corning itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSouth Corning runs about 171 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
MeasuredSouth Corning 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 South Corning is in
South Corning sits in the Northern Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at South Corning's own centroid rather than borrowed from Steuben County.
What Grows in South Corning
Every plant below cleared South Corning's own zone 6a and its 171-day season. Each card opens that plant's New York profile. How we score.
Is it too late to plant in South Corning?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 19 — 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 South Corning
Spotted lanternfly documented 3 miles from South Corning, first recorded 2020. What to watch for.
What's on the federal record near South Corning
Closest first, within ~10 miles of South Corning. Listing isn't leaking, and distance isn't exposure.
- GLENS SERVICEUnderground Storage Tanks · 500 ft
- BYRNE DAIRY SOUTH CORNINGUnderground Storage Tanks · 700 ft
- AGWAY ENERGY PRODUCTS-CATONUnderground Storage Tanks · 800 ft
- NYSDOT BIN 1096500Brownfields · 800 ft
- SUGAR CREEK #175Underground Storage Tanks · 1700 ft
- SUNCO LTDUnderground Storage Tanks · 1700 ft
- FAMILY DOLLAR STORE 4631Brownfields · 2100 ft
- LEON GOLDER FARMBrownfields · 2300 ft
- SB 31Nitrate · 2300 ft
- EDWARD ALLEN LFSuperfund · 2400 ft
- CORNING CITYPFAS · 2600 ft
- PARK AVENUE SUNOCOUnderground Storage Tanks · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from South Corning'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 South Corning.
Total Sites
340
within ~10 miles of South Corning
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of South Corning
Severity Distribution
within ~10 miles of South Corning
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around South Corning, two things run higher than the national average within ~10 miles of South Corning — PFAS (3 sites) and CAFO (3 sites). That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Check your specific parcel in South Corning
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 South Corning average
Your land is one point inside South Corning
Everything above resolves to South Corning as a whole — one PHZM band and one 28°F frost record, read across 395 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 South Corning Average
South Corning Average
- ●USDA Zones 6a, averaged across South Corning
- ●One soil character for all of South Corning
- ●Frost dates read at South Corning's scale: May 1 to Oct 19
YOUR Parcel
- ✓Your exact zone, not South Corning's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in South Corning
Pull a site-specific report for your exact address in South Corning, New York — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that South Corning averages can't show:
We read public map data around South Corning — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the South Corning average
How we know this about South Corning
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 South Corning’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 South Corning
When does frost risk typically end in South Corning?
The last hard freeze (28°F) in South Corning typically lands around May 1, 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 22.
When is the first frost in South Corning?
The first hard freeze (28°F) in South Corning typically arrives around Oct 19, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 5, so the watching starts about Sep 19 — about 171 days after the spring freeze cleared.
How long is the growing season in South Corning?
Measured between 28°F hard freezes, South Corning sees about 171 frost-free days — roughly May 1 through Oct 19, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 22 to Oct 5, about 136 days.
Is the soil safe to grow vegetables in South Corning?
The federal record around South Corning is a meaningful one — 340 documented sites, mostly Brownfields entries (145), the nearest Underground Storage Tanks 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 South Corning?
From about Sep 19 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 19 (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 19. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at South Corning's scale — its 6a band and its 171-day season. Your yard writes its own version of South Corning'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 South Corning’s own scale
7 of the readings below were taken at South Corning's own scale — its own ~171-day season between 28°F freezes, the 395 acres it covers and 340 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- South Corning's own USDA hardiness band, zones 6aUSDA PHZM 2023
- South Corning's own 28°F hard-freeze dates, about May 1 and Oct 19 and the ~171-day span between themNOAA 1991–2020 Climate Normals
- 340 documented contamination sites on the federal record near South Corning, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- South Corning's boundary and the 395 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~171-day seasonGrowable Ground crop-matching engine
- The ecoregion at South Corning's own centroid, the Northern Allegheny PlateauUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of South Corninglydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so South Corning's 395 acres read through its county's SSURGO summaryfrom Steuben County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Steuben 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 Steuben County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among South Corning's 395 acreswhy one lot differs from the next →
- Which side of South Corning you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 395 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 South Corning-wide figureread your own land →
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