Pine Grove Mills, 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.
A short list that earns its place here — cabbage, hazelnut, lavender, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Pine Grove Mills, 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 Pine Grove Mills 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 Pine Grove Mills — soil, climate, flood, and parcel records. How we handle your address.
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Pine Grove Mills — the short answer
Pine Grove Mills, Pennsylvania: USDA zone 6b, about 205 days between hard freezes, across 2K acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 10
- 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
- ~205
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K 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 Pine Grove Mills's average, not your lot's — a low corner or a tree line moves it. Against Pine Grove Mills's 205-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Pine Grove Mills
Each reading below is measured for Pine Grove Mills itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredPine Grove Mills 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
MeasuredPine Grove Mills 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 Pine Grove Mills is in
Pine Grove Mills sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Pine Grove Mills's own centroid rather than borrowed from Centre County.
What Grows in Pine Grove Mills
Every plant below cleared Pine Grove Mills'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 Pine Grove Mills?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 13; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 10 (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. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Pine Grove Mills
Spotted lanternfly documented 1 miles from Pine Grove Mills, first recorded 2020. What to watch for.
What's on the federal record near Pine Grove Mills
Closest first, within ~10 miles of Pine Grove Mills. Listing isn't leaking, and distance isn't exposure.
- KLINES BUS GARAGEUnderground Storage Tanks · 600 ft
- PINE GROVE MILLS TEXACOUnderground Storage Tanks · 1000 ft
- AT&T PINE GROVE MILLS FACUnderground Storage Tanks · 1300 ft
- H & K PROP INVESTMENTSUnderground Storage Tanks · 1400 ft
- MC CROSSIN G M INCBrownfields · 1.5 mi
- PEP BOYS NO 523Brownfields · 1.5 mi
- LAVAS AUTO BODYBrownfields · 1.8 mi
- LIEBRUM COACH WORKS COUnderground Storage Tanks · 1.8 mi
- PROFESSIONALS AUTO BODYBrownfields · 1.9 mi
- SHEETZ #715Brownfields · 2.0 mi
- LEITZINGER IMPORTSBrownfields · 2.0 mi
- LEITZINGER IMPORTSUnderground Storage Tanks · 2.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Pine Grove Mills'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 Pine Grove Mills.
Total Sites
363
within ~10 miles of Pine Grove Mills
Risk Level
Elevated
Highest-severity
2 Superfund sites
Sources Checked
within ~10 miles of Pine Grove Mills
Severity Distribution
within ~10 miles of Pine Grove Mills
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Pine Grove Mills, two things run higher than the national average within ~10 miles of Pine Grove Mills — CAFO (4 sites) and PFAS (3 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
CAFO: CAFOs pose a different contamination profile than chemical sources.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Pine Grove Mills
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 Pine Grove Mills average
Your land is one point inside Pine Grove Mills
Everything above resolves to Pine Grove Mills as a whole — one PHZM band and one 28°F frost record, read across 2K 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 Pine Grove Mills Average
Pine Grove Mills Average
- ●USDA Zones 6b, averaged across Pine Grove Mills
- ●One soil character for all of Pine Grove Mills
- ●Frost dates read at Pine Grove Mills's scale: Apr 10 to Nov 1
YOUR Parcel
- ✓Your exact zone, not Pine Grove Mills's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Pine Grove Mills
Pull a site-specific report for your exact address in Pine Grove Mills, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Pine Grove Mills averages can't show:
We read public map data around Pine Grove Mills — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Pine Grove Mills average
How we know this about Pine Grove Mills
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 Pine Grove Mills’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 Pine Grove Mills
When does frost risk typically end in Pine Grove Mills?
The last hard freeze (28°F) in Pine Grove Mills typically lands around Apr 10, 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 1.
When is the first frost in Pine Grove Mills?
The first hard freeze (28°F) in Pine Grove Mills 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 205 days after the spring freeze cleared.
How long is the growing season in Pine Grove Mills?
Measured between 28°F hard freezes, Pine Grove Mills sees about 205 frost-free days — roughly Apr 10 through Nov 1, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 1 to Oct 18, about 170 days.
Is the soil safe to grow vegetables in Pine Grove Mills?
The federal record around Pine Grove Mills is a meaningful one — 363 documented sites, mostly Underground Storage Tanks entries (154), the nearest Underground Storage Tanks record about 0.1 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 Pine Grove Mills?
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 Pine Grove Mills's scale — its 6b band and its 205-day season. Your yard writes its own version of Pine Grove Mills'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 Pine Grove Mills’s own scale
7 of the readings below were taken at Pine Grove Mills's own scale — its own ~205-day season between 28°F freezes, the 1,603 acres it covers and 363 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Pine Grove Mills's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Pine Grove Mills's own 28°F hard-freeze dates, about Apr 10 and Nov 1 and the ~205-day span between themNOAA 1991–2020 Climate Normals
- 363 documented contamination sites on the federal record near Pine Grove Mills, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Pine Grove Mills's boundary and the 1,603 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 Pine Grove Mills's own centroid, the Ridge and ValleyUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Pine Grove Millslydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Pine Grove Mills's 1,603 acres read through its county's SSURGO summaryfrom Centre County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Centre 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 Centre County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Pine Grove Mills's 1,603 acreswhy one lot differs from the next →
- Which side of Pine Grove Mills you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,603 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Pine Grove Mills-wide figureread your own land →
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