Hublersburg, Pennsylvania, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, hazelnut, lavender, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Hublersburg, 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 Hublersburg 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 Hublersburg — soil, climate, flood, and parcel records. How we handle your address.
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Hublersburg — the short answer
Hublersburg, Pennsylvania: USDA zone 6b, about 196 days between hard freezes, across 151 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~196
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 151 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 Hublersburg's average, not your lot's — a low corner or a tree line moves it. Against Hublersburg's 196-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Hublersburg
Each reading below is measured for Hublersburg itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredHublersburg 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
MeasuredHublersburg 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 Hublersburg is in
Hublersburg sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Hublersburg's own centroid rather than borrowed from Centre County.
What Grows in Hublersburg
Every plant below cleared Hublersburg's own zone 6b and its 196-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Hublersburg?
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 19; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 16 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 29 — long-season crops need about 90 days of runway, quick greens only 30. The tail of the season still works: sixty-day crops into late summer, quick greens after, garlic last of all.
Documented around Hublersburg
Spotted lanternfly documented 3 miles from Hublersburg, first recorded 2019. What to watch for.
What's on the federal record near Hublersburg
Closest first, within ~10 miles of Hublersburg. Listing isn't leaking, and distance isn't exposure.
- CE 609Nitrate · 2.1 mi
- CE 632Nitrate · 2.1 mi
- CE 555Nitrate · 2.2 mi
- CE 358Nitrate · 2.5 mi
- WALKER TWP BLDGUnderground Storage Tanks · 3.2 mi
- SUPERIOR PLUS ENERGY SERVICES-HOWARDToxics Release Inventory · 3.7 mi
- PACIFIC PRIDE 2Underground Storage Tanks · 3.7 mi
- SUBURBAN PROPANEUnderground Storage Tanks · 3.7 mi
- POORMAN STOVERUnderground Storage Tanks · 3.7 mi
- INGRAM FUELSUnderground Storage Tanks · 3.9 mi
- SUPERIOR PLUS ENERGY-HOWARDToxics Release Inventory · 4.0 mi
- SUPERIOR PLUS ENERGY SVC LAMARUnderground Storage Tanks · 4.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Hublersburg'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 Hublersburg.
Total Sites
313
within ~10 miles of Hublersburg
Risk Level
Elevated
Highest-severity
13 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Hublersburg
Severity Distribution
within ~10 miles of Hublersburg
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Hublersburg, two things run higher than the national average within ~10 miles of Hublersburg — CAFO (4 sites) and PFAS (3 sites). That's not a problem with your land — it's information about it.
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 Hublersburg
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 Hublersburg average
Your land is one point inside Hublersburg
Everything above resolves to Hublersburg as a whole — one PHZM band and one 28°F frost record, read across 151 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 Hublersburg Average
Hublersburg Average
- ●USDA Zones 6b, averaged across Hublersburg
- ●One soil character for all of Hublersburg
- ●Frost dates read at Hublersburg's scale: Apr 16 to Oct 29
YOUR Parcel
- ✓Your exact zone, not Hublersburg's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Hublersburg
Pull a site-specific report for your exact address in Hublersburg, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Hublersburg averages can't show:
We read public map data around Hublersburg — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Hublersburg average
How we know this about Hublersburg
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 Hublersburg’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 Hublersburg
When does frost risk typically end in Hublersburg?
The last hard freeze (28°F) in Hublersburg typically lands around Apr 16, 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 7.
When is the first frost in Hublersburg?
The first hard freeze (28°F) in Hublersburg typically arrives around Oct 29, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 15, so the watching starts about Sep 29 — about 196 days after the spring freeze cleared.
How long is the growing season in Hublersburg?
Measured between 28°F hard freezes, Hublersburg sees about 196 frost-free days — roughly Apr 16 through Oct 29, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 7 to Oct 15, about 161 days.
Is the soil safe to grow vegetables in Hublersburg?
The federal record around Hublersburg is a meaningful one — 313 documented sites, mostly Underground Storage Tanks entries (147), the nearest Nitrate record about 2.1 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 Hublersburg?
From about Sep 29 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 29 (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 29. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Hublersburg's scale — its 6b band and its 196-day season. Your yard writes its own version of Hublersburg'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 Hublersburg’s own scale
7 of the readings below were taken at Hublersburg's own scale — its own ~196-day season between 28°F freezes, the 151 acres it covers and 313 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Hublersburg's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Hublersburg's own 28°F hard-freeze dates, about Apr 16 and Oct 29 and the ~196-day span between themNOAA 1991–2020 Climate Normals
- 313 documented contamination sites on the federal record near Hublersburg, the closest Nitrate record about 2.1 miles out from the town centreFederal environmental registers
- Hublersburg's boundary and the 151 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~196-day seasonGrowable Ground crop-matching engine
- The ecoregion at Hublersburg's own centroid, the Ridge and ValleyUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Hublersburglydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Hublersburg's 151 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 Hublersburg's 151 acreswhy one lot differs from the next →
- Which side of Hublersburg you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 151 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 2.1 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 Hublersburg-wide figureread your own land →
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