Fairless Hills, Pennsylvania, sits in USDA hardiness zone 7a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
These conditions suit cabbage, hazelnut, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Fairless Hills, 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 Fairless Hills 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 Fairless Hills — soil, climate, flood, and parcel records. How we handle your address.
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Fairless Hills — the short answer
Fairless Hills, Pennsylvania: USDA zone 7a, about 231 days between hard freezes, across 1K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 27
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~231
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 7a is Fairless Hills's average, not your lot's — a low corner or a tree line moves it. Against Fairless Hills's 231-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Fairless Hills
Each reading below is measured for Fairless Hills itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredFairless Hills runs about 231 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
MeasuredFairless Hills sits in USDA hardiness zone 7a.
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 Fairless Hills is in
Fairless Hills sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Fairless Hills's own centroid rather than borrowed from Bucks County.
What Grows in Fairless Hills
Every plant below cleared Fairless Hills's own zone 7a and its 231-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Fairless Hills?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 27; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 27 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
Documented around Fairless Hills
Spotted lanternfly documented 1 miles from Fairless Hills, first recorded 2018. What to watch for.
What's on the federal record near Fairless Hills
Closest first, within ~10 miles of Fairless Hills. Listing isn't leaking, and distance isn't exposure.
- OXFORD VALLEY PARKUnderground Storage Tanks · 1400 ft
- WILSON MOBIL STAUnderground Storage Tanks · 1700 ft
- CUMBERLAND FARMS 3709Underground Storage Tanks · 2000 ft
- GOODEAL TRANSMISSIONBrownfields · 2400 ft
- HUNT AUTO BODY/FAIRLESS HILLSBrownfields · 2400 ft
- MEDILL BAIR HIGH SCHBrownfields · 2600 ft
- GRUNDY GARDENSUnderground Storage Tanks · 2600 ft
- FAIRLESS HILLS VOL FIRE COUnderground Storage Tanks · 2600 ft
- GRAEBERS LUMBER COUnderground Storage Tanks · 0.5 mi
- MAACO/FAIRLESS HILLSBrownfields · 0.5 mi
- MCHUGH RR MAINTBrownfields · 0.5 mi
- STRICK CORPUnderground Storage Tanks · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Fairless Hills'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 Fairless Hills.
Sources Checked
within ~10 miles of Fairless Hills
Severity Distribution
within ~10 miles of Fairless Hills
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Fairless Hills, Superfund runs higher than the national average — 38 sites within ~10 miles of Fairless Hills. That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Fairless Hills
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 Fairless Hills average
Your land is one point inside Fairless Hills
Everything above resolves to Fairless Hills as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Fairless Hills Average
Fairless Hills Average
- ●USDA Zones 7a, averaged across Fairless Hills
- ●One soil character for all of Fairless Hills
- ●Frost dates read at Fairless Hills's scale: Mar 27 to Nov 13
YOUR Parcel
- ✓Your exact zone, not Fairless Hills's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Fairless Hills
Pull a site-specific report for your exact address in Fairless Hills, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Fairless Hills averages can't show:
We read public map data around Fairless Hills — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Fairless Hills average
How we know this about Fairless Hills
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 Fairless Hills’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 Fairless Hills
When does frost risk typically end in Fairless Hills?
The last hard freeze (28°F) in Fairless Hills typically lands around Mar 27, 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 Apr 17.
When is the first frost in Fairless Hills?
The first hard freeze (28°F) in Fairless Hills typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 231 days after the spring freeze cleared.
How long is the growing season in Fairless Hills?
Measured between 28°F hard freezes, Fairless Hills sees about 231 frost-free days — roughly Mar 27 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 17 to Oct 30, about 196 days.
Is the soil safe to grow vegetables in Fairless Hills?
The federal record around Fairless Hills runs heavier than most — 3,055 documented sites, mostly Underground Storage Tanks entries (1,599), the nearest Underground Storage Tanks record about 0.3 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Fairless Hills?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Fairless Hills's scale — its 7a band and its 231-day season. Your yard writes its own version of Fairless Hills'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 Fairless Hills’s own scale
7 of the readings below were taken at Fairless Hills's own scale — its own ~231-day season between 28°F freezes, the 1,244 acres it covers and 3,055 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Fairless Hills's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Fairless Hills's own 28°F hard-freeze dates, about Mar 27 and Nov 13 and the ~231-day span between themNOAA 1991–2020 Climate Normals
- 3,055 documented contamination sites on the federal record near Fairless Hills, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Fairless Hills's boundary and the 1,244 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~231-day seasonGrowable Ground crop-matching engine
- The ecoregion at Fairless Hills's own centroid, the Northern PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Fairless Hillslydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Fairless Hills's 1,244 acres read through its county's SSURGO summaryfrom Bucks County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Bucks 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 Bucks County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Fairless Hills's 1,244 acreswhy one lot differs from the next →
- Which side of Fairless Hills you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,244 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 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 Fairless Hills-wide figureread your own land →
More in Pennsylvania
Wider growing context
What grows across PennsylvaniaFairless Hills sits outside our named growing regions, so Pennsylvania as a whole is its closest context here.
Nearby growing guides