Adamsburg, Pennsylvania, sits in USDA hardiness zone 6b — a zone band wide enough that plant choice, not possibility, is the interesting question.
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 Adamsburg, 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 Adamsburg 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 Adamsburg — soil, climate, flood, and parcel records. How we handle your address.
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Adamsburg — the short answer
Adamsburg, Pennsylvania: USDA zone 6b, about 200 days between hard freezes, across 179 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 15
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~200
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 179 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 Adamsburg's average, not your lot's — a low corner or a tree line moves it. Against Adamsburg's 200-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Adamsburg
Each reading below is measured for Adamsburg itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredAdamsburg runs about 200 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
MeasuredAdamsburg 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 Adamsburg is in
Adamsburg sits in the Western Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Adamsburg's own centroid rather than borrowed from Westmoreland County.
What Grows in Adamsburg
Every plant below cleared Adamsburg's own zone 6b and its 200-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Adamsburg?
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 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 1 — 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 Adamsburg
Spotted lanternfly documented 3 miles from Adamsburg, first recorded 2020. What to watch for.
What's on the federal record near Adamsburg
Closest first, within ~10 miles of Adamsburg. Listing isn't leaking, and distance isn't exposure.
- BILLS CHROMEBrownfields · 50 ft
- NORTHEAST PAVING/ADAMSBURG ASPHALT PLTBrownfields · 1500 ft
- BESTOFLEX INCORPORATEDToxics Release Inventory · 1700 ft
- COORDINATORSUnderground Storage Tanks · 2200 ft
- HARTFORD HEIGHTS PUMP STAUnderground Storage Tanks · 2400 ft
- O-B TRANSPORTBrownfields · 2500 ft
- SUNOCO SVC STABrownfields · 2500 ft
- CAVALIER COACHBrownfields · 2500 ft
- CVS PHARMACY NO 17199Brownfields · 2500 ft
- JOHN AUTO BODYUnderground Storage Tanks · 2600 ft
- MIKES AUTO BODYBrownfields · 2600 ft
- CBL TRUCKINGUnderground Storage Tanks · 0.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Adamsburg'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 Adamsburg.
Total Sites
1,170
within ~10 miles of Adamsburg
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Adamsburg
Severity Distribution
within ~10 miles of Adamsburg
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •TRI facilities report what they release. Check the wind — downwind beds catch more of it.
Check your specific parcel in Adamsburg
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 Adamsburg average
Your land is one point inside Adamsburg
Everything above resolves to Adamsburg as a whole — one PHZM band and one 28°F frost record, read across 179 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 Adamsburg Average
Adamsburg Average
- ●USDA Zones 6b, averaged across Adamsburg
- ●One soil character for all of Adamsburg
- ●Frost dates read at Adamsburg's scale: Apr 15 to Nov 1
YOUR Parcel
- ✓Your exact zone, not Adamsburg's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Adamsburg
Pull a site-specific report for your exact address in Adamsburg, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Adamsburg averages can't show:
We read public map data around Adamsburg — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Adamsburg average
How we know this about Adamsburg
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 Adamsburg’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 Adamsburg
When does frost risk typically end in Adamsburg?
The last hard freeze (28°F) in Adamsburg typically lands around Apr 15, 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 6.
When is the first frost in Adamsburg?
The first hard freeze (28°F) in Adamsburg typically arrives around Nov 1, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 18, so the watching starts about Oct 2 — about 200 days after the spring freeze cleared.
How long is the growing season in Adamsburg?
Measured between 28°F hard freezes, Adamsburg sees about 200 frost-free days — roughly Apr 15 through Nov 1, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 6 to Oct 18, about 165 days.
Is the soil safe to grow vegetables in Adamsburg?
The federal record around Adamsburg is a meaningful one — 1,170 documented sites, mostly Underground Storage Tanks entries (557), 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 Adamsburg?
From about Oct 2 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 1 (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 1. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Adamsburg's scale — its 6b band and its 200-day season. Your yard writes its own version of Adamsburg'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 Adamsburg’s own scale
7 of the readings below were taken at Adamsburg's own scale — its own ~200-day season between 28°F freezes, the 179 acres it covers and 1,170 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Adamsburg's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Adamsburg's own 28°F hard-freeze dates, about Apr 15 and Nov 1 and the ~200-day span between themNOAA 1991–2020 Climate Normals
- 1,170 documented contamination sites on the federal record near Adamsburg, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Adamsburg's boundary and the 179 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~200-day seasonGrowable Ground crop-matching engine
- The ecoregion at Adamsburg's own centroid, the Western Allegheny PlateauUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Adamsburglydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Adamsburg's 179 acres read through its county's SSURGO summaryfrom Westmoreland County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Westmoreland 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 Westmoreland County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Adamsburg's 179 acreswhy one lot differs from the next →
- Which side of Adamsburg you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 179 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 Adamsburg-wide figureread your own land →
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