Callery, Pennsylvania, sits in USDA hardiness zone 6b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Expect cabbage, hazelnut, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Callery, 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 Callery 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 Callery — soil, climate, flood, and parcel records. How we handle your address.
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Callery — the short answer
Callery, Pennsylvania: USDA zone 6b, about 205 days between hard freezes, across 344 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 11
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~205
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 344 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 Callery's average, not your lot's — a low corner or a tree line moves it. Against Callery's 205-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Callery
Each reading below is measured for Callery itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCallery runs about 205 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
MeasuredCallery 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 Callery is in
Callery sits in the Western Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Callery's own centroid rather than borrowed from Butler County.
What Grows in Callery
Every plant below cleared Callery's own zone 6b and its 205-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Callery?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 14; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 11 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 2 — 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 Callery
Spotted lanternfly documented 2 miles from Callery, first recorded 2020. What to watch for.
What's on the federal record near Callery
Closest first, within ~10 miles of Callery. Listing isn't leaking, and distance isn't exposure.
- HANNEMANS SVC STAUnderground Storage Tanks · 250 ft
- CARTWRIGHT & LOLLOBrownfields · 1200 ft
- CARTWRIGHT & LOLLO GARAGEUnderground Storage Tanks · 1500 ft
- HERR-VOSS CORPORATION-OFFICE BASEMENTBrownfields · 1600 ft
- ASCENSUS EVANS CITY SITEBrownfields · 2500 ft
- ASCENSUS EVANS CITY SITEToxics Release Inventory · 2500 ft
- ASCENSUS SPECIALTIES CALLERY LLCToxics Release Inventory · 2500 ft
- CALLERYUnderground Storage Tanks · 0.6 mi
- CALLERYToxics Release Inventory · 0.6 mi
- MINE SAFETY APPLIANCES CO EVANS CITY OPERATIONSToxics Release Inventory · 0.6 mi
- SMC RETURNS LLCBrownfields · 0.9 mi
- KEYSTONE RESOURCESUnderground Storage Tanks · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Callery'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 Callery.
Total Sites
642
within ~10 miles of Callery
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Callery
Severity Distribution
within ~10 miles of Callery
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Callery, two things run higher than the national average within ~10 miles of Callery — PFAS (11 sites) and Toxics Release Inventory (59 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.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Callery
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 Callery average
Your land is one point inside Callery
Everything above resolves to Callery as a whole — one PHZM band and one 28°F frost record, read across 344 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 Callery Average
Callery Average
- ●USDA Zones 6b, averaged across Callery
- ●One soil character for all of Callery
- ●Frost dates read at Callery's scale: Apr 11 to Nov 2
YOUR Parcel
- ✓Your exact zone, not Callery's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Callery
Pull a site-specific report for your exact address in Callery, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Callery averages can't show:
We read public map data around Callery — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Callery average
How we know this about Callery
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 Callery’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 Callery
When does frost risk typically end in Callery?
The last hard freeze (28°F) in Callery typically lands around Apr 11, 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 2.
When is the first frost in Callery?
The first hard freeze (28°F) in Callery typically arrives around Nov 2, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 19, so the watching starts about Oct 3 — about 205 days after the spring freeze cleared.
How long is the growing season in Callery?
Measured between 28°F hard freezes, Callery sees about 205 frost-free days — roughly Apr 11 through Nov 2, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 2 to Oct 19, about 170 days.
Is the soil safe to grow vegetables in Callery?
The federal record around Callery is a meaningful one — 642 documented sites, mostly Underground Storage Tanks entries (300), 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 Callery?
From about Oct 3 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 2 (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 2. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Callery's scale — its 6b band and its 205-day season. Your yard writes its own version of Callery'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 Callery’s own scale
7 of the readings below were taken at Callery's own scale — its own ~205-day season between 28°F freezes, the 344 acres it covers and 642 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Callery's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Callery's own 28°F hard-freeze dates, about Apr 11 and Nov 2 and the ~205-day span between themNOAA 1991–2020 Climate Normals
- 642 documented contamination sites on the federal record near Callery, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Callery's boundary and the 344 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~205-day seasonGrowable Ground crop-matching engine
- The ecoregion at Callery's own centroid, the Western Allegheny PlateauUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Callerylydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Callery's 344 acres read through its county's SSURGO summaryfrom Butler County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Butler County
- The growing challenges every Pennsylvania grower plans around — written at state scale, so they stay on the state guidefrom Pennsylvania
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Butler County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Callery's 344 acreswhy one lot differs from the next →
- Which side of Callery you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 344 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 Callery-wide figureread your own land →
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