Lenhartsville, 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.
Growers here do well with cabbage, pawpaw, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Lenhartsville, 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 Lenhartsville 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 Lenhartsville — soil, climate, flood, and parcel records. How we handle your address.
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Lenhartsville — the short answer
Lenhartsville, Pennsylvania: USDA zone 7a, about 207 days between hard freezes, across 118 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 6
- 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
- ~207
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 118 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 Lenhartsville's average, not your lot's — a low corner or a tree line moves it. Against Lenhartsville's 207-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Lenhartsville
Each reading below is measured for Lenhartsville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredLenhartsville runs about 207 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
MeasuredLenhartsville 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 Lenhartsville is in
Lenhartsville sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Lenhartsville's own centroid rather than borrowed from Berks County.
What Grows in Lenhartsville
Every plant below cleared Lenhartsville's own zone 7a and its 207-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Lenhartsville?
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 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 6 (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. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
Documented around Lenhartsville
Spotted lanternfly documented 2 miles from Lenhartsville, first recorded 2017. What to watch for.
What's on the federal record near Lenhartsville
Closest first, within ~10 miles of Lenhartsville. Listing isn't leaking, and distance isn't exposure.
- PETERS BROSUnderground Storage Tanks · 800 ft
- LENHARTSVILLE GARAGEUnderground Storage Tanks · 950 ft
- BE 519Nitrate · 1800 ft
- CONTEL PA QS NEW SMITHVILLE CT 186Underground Storage Tanks · 1800 ft
- GLENDON NOLT FARM CAFOCAFO · 0.9 mi
- BE 1473Nitrate · 1.4 mi
- RICHARD M SCHAEFFERUnderground Storage Tanks · 1.4 mi
- PHARES W FRYUnderground Storage Tanks · 2.7 mi
- BE 1704Nitrate · 2.8 mi
- HAWK VALLEY FARMToxics Release Inventory · 3.0 mi
- HAWK MOUNTAINUnderground Storage Tanks · 3.0 mi
- JOHN M HILL MACH COBrownfields · 3.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Lenhartsville'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 Lenhartsville.
Sources Checked
within ~10 miles of Lenhartsville
Severity Distribution
within ~10 miles of Lenhartsville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Lenhartsville, two things run higher than the national average within ~10 miles of Lenhartsville — CAFO (16 sites) and Superfund (23 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Lenhartsville
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 Lenhartsville average
Your land is one point inside Lenhartsville
Everything above resolves to Lenhartsville as a whole — one PHZM band and one 28°F frost record, read across 118 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 Lenhartsville Average
Lenhartsville Average
- ●USDA Zones 7a, averaged across Lenhartsville
- ●One soil character for all of Lenhartsville
- ●Frost dates read at Lenhartsville's scale: Apr 6 to Oct 30
YOUR Parcel
- ✓Your exact zone, not Lenhartsville's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Lenhartsville
Pull a site-specific report for your exact address in Lenhartsville, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Lenhartsville averages can't show:
We read public map data around Lenhartsville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Lenhartsville average
How we know this about Lenhartsville
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 Lenhartsville’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 Lenhartsville
When does frost risk typically end in Lenhartsville?
The last hard freeze (28°F) in Lenhartsville typically lands around Apr 6, 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 27.
When is the first frost in Lenhartsville?
The first hard freeze (28°F) in Lenhartsville 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 207 days after the spring freeze cleared.
How long is the growing season in Lenhartsville?
Measured between 28°F hard freezes, Lenhartsville sees about 207 frost-free days — roughly Apr 6 through Oct 30, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 27 to Oct 16, about 172 days.
Is the soil safe to grow vegetables in Lenhartsville?
The federal record around Lenhartsville is a meaningful one — 538 documented sites, mostly Underground Storage Tanks entries (266), 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 Lenhartsville?
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 Lenhartsville's scale — its 7a band and its 207-day season. Your yard writes its own version of Lenhartsville'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 Lenhartsville’s own scale
7 of the readings below were taken at Lenhartsville's own scale — its own ~207-day season between 28°F freezes, the 118 acres it covers and 538 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Lenhartsville's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Lenhartsville's own 28°F hard-freeze dates, about Apr 6 and Oct 30 and the ~207-day span between themNOAA 1991–2020 Climate Normals
- 538 documented contamination sites on the federal record near Lenhartsville, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Lenhartsville's boundary and the 118 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~207-day seasonGrowable Ground crop-matching engine
- The ecoregion at Lenhartsville's own centroid, the Ridge and ValleyUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Lenhartsvillelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Lenhartsville's 118 acres read through its county's SSURGO summaryfrom Berks County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Berks 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 Berks County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Lenhartsville's 118 acreswhy one lot differs from the next →
- Which side of Lenhartsville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 118 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 Lenhartsville-wide figureread your own land →
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