Laurel Mountain, Pennsylvania, sits in USDA hardiness zone 6a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Well-matched crops include cabbage, hazelnut, 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 Laurel Mountain, 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 Laurel Mountain 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 Laurel Mountain — soil, climate, flood, and parcel records. How we handle your address.
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Laurel Mountain — the short answer
Laurel Mountain, Pennsylvania: USDA zone 6a, about 196 days between hard freezes, across 83 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 17
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~196
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 83 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 Laurel Mountain's average, not your lot's — a low corner or a tree line moves it. Against Laurel Mountain's 196-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Laurel Mountain
Each reading below is measured for Laurel Mountain itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredLaurel Mountain runs about 196 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
MeasuredLaurel Mountain 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 Laurel Mountain is in
Laurel Mountain sits in the Central Appalachians — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Laurel Mountain's own centroid, and it is not what its county reads: Westmoreland County is mostly Western Allegheny Plateau. The wider page above you is answering a different question about different ground.
What Grows in Laurel Mountain
Every plant below cleared Laurel Mountain's own zone 6a and its 196-day season. Each card opens that plant's Pennsylvania profile. How we score.






























Is it too late to plant in Laurel Mountain?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 20; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 30 — long-season crops need about 90 days of runway, quick greens only 30. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
Documented around Laurel Mountain
Spotted lanternfly documented 2 miles from Laurel Mountain, first recorded 2021. What to watch for.
What's on the federal record near Laurel Mountain
Closest first, within ~10 miles of Laurel Mountain. Listing isn't leaking, and distance isn't exposure.
- RICHARD K MELLON & SONSUnderground Storage Tanks · 1300 ft
- HERRHOLTZ EXCAVATINGUnderground Storage Tanks · 1900 ft
- LAUGHLINTOWN GARAGE INCUnderground Storage Tanks · 2300 ft
- ROLLING WINDSUnderground Storage Tanks · 1.2 mi
- LOYALHANNA ASSNUnderground Storage Tanks · 1.4 mi
- FARABAUGH CHEVROLET OLDSMOBILEBrownfields · 2.1 mi
- LUTHER P MILLERUnderground Storage Tanks · 2.5 mi
- PENQUIN COURT GREENHOUSEUnderground Storage Tanks · 3.0 mi
- JOHN HALL INCUnderground Storage Tanks · 3.0 mi
- SS 312 D BP 710Underground Storage Tanks · 3.1 mi
- WATKINS MKTUnderground Storage Tanks · 3.1 mi
- ROLLING ROCK CLUBBrownfields · 3.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Laurel Mountain'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 Laurel Mountain.
Total Sites
137
within ~10 miles of Laurel Mountain
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Laurel Mountain
Severity Distribution
within ~10 miles of Laurel Mountain
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Laurel Mountain, Underground Storage Tanks runs higher than the national average — 89 sites within ~10 miles of Laurel Mountain. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Laurel Mountain
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 Laurel Mountain average
Your land is one point inside Laurel Mountain
Everything above resolves to Laurel Mountain as a whole — one PHZM band and one 28°F frost record, read across 83 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 Laurel Mountain Average
Laurel Mountain Average
- ●USDA Zones 6a, averaged across Laurel Mountain
- ●One soil character for all of Laurel Mountain
- ●Frost dates read at Laurel Mountain's scale: Apr 17 to Oct 30
YOUR Parcel
- ✓Your exact zone, not Laurel Mountain's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Laurel Mountain
Pull a site-specific report for your exact address in Laurel Mountain, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Laurel Mountain averages can't show:
We read public map data around Laurel Mountain — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Laurel Mountain average
How we know this about Laurel Mountain
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 Laurel Mountain’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 Laurel Mountain
When does frost risk typically end in Laurel Mountain?
The last hard freeze (28°F) in Laurel Mountain typically lands around Apr 17, 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 8.
When is the first frost in Laurel Mountain?
The first hard freeze (28°F) in Laurel Mountain typically arrives around Oct 30, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 16, so the watching starts about Sep 30 — about 196 days after the spring freeze cleared.
How long is the growing season in Laurel Mountain?
Measured between 28°F hard freezes, Laurel Mountain sees about 196 frost-free days — roughly Apr 17 through Oct 30, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 8 to Oct 16, about 161 days.
Is the soil safe to grow vegetables in Laurel Mountain?
The federal record around Laurel Mountain is a meaningful one — 137 documented sites, mostly Underground Storage Tanks entries (89), the nearest Underground Storage Tanks record about 0.2 miles 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 Laurel Mountain?
From about Sep 30 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 30 (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 30. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Laurel Mountain's scale — its 6a band and its 196-day season. Your yard writes its own version of Laurel Mountain'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 Laurel Mountain’s own scale
7 of the readings below were taken at Laurel Mountain's own scale — its own ~196-day season between 28°F freezes, the 83 acres it covers and 137 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Laurel Mountain's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Laurel Mountain's own 28°F hard-freeze dates, about Apr 17 and Oct 30 and the ~196-day span between themNOAA 1991–2020 Climate Normals
- 137 documented contamination sites on the federal record near Laurel Mountain, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Laurel Mountain's boundary and the 83 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~196-day seasonGrowable Ground crop-matching engine
- Laurel Mountain sits in the Central Appalachians — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Laurel Mountainlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Laurel Mountain's 83 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 Laurel Mountain's 83 acreswhy one lot differs from the next →
- Which side of Laurel Mountain you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 83 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Laurel Mountain-wide figureread your own land →
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