Timblin, Pennsylvania, sits in USDA hardiness zone 6a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
These conditions suit cabbage, hazelnut, lavender, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Timblin, 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 Timblin 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 Timblin — soil, climate, flood, and parcel records. How we handle your address.
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Timblin — the short answer
Timblin, Pennsylvania: USDA zone 6a, about 184 days between hard freezes, across 579 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 27
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~184
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 579 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 Timblin's average, not your lot's — a low corner or a tree line moves it. Against Timblin's 184-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Timblin
Each reading below is measured for Timblin itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredTimblin runs about 184 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
MeasuredTimblin 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 Timblin is in
Timblin sits in the Western Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Timblin's own centroid rather than borrowed from Jefferson County.
What Grows in Timblin
Every plant below cleared Timblin's own zone 6a and its 184-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Timblin?
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 29; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 27 — long-season crops need about 90 days of runway, quick greens only 30. Late in the year the fall bench takes over — quick greens, radishes, and garlic that repays you next summer.
Documented around Timblin
Spotted lanternfly documented 5 miles from Timblin, first recorded 2023. What to watch for.
What's on the federal record near Timblin
Closest first, within ~10 miles of Timblin. Listing isn't leaking, and distance isn't exposure.
- JAMES WEAVERUnderground Storage Tanks · 1.4 mi
- DON BROCIOUS LUMBERUnderground Storage Tanks · 1.4 mi
- JE 410Nitrate · 1.8 mi
- VL GREENHOUSES LLCBrownfields · 2.0 mi
- RINGGOLD TWP BLDGUnderground Storage Tanks · 2.2 mi
- GERALD NEESEUnderground Storage Tanks · 2.4 mi
- RINGGOLD STOREUnderground Storage Tanks · 2.4 mi
- SUGAR CAMP CLUBUnderground Storage Tanks · 2.4 mi
- JE 409Nitrate · 2.6 mi
- STEWART TRUCKINGUnderground Storage Tanks · 3.0 mi
- JC ENTERPRISESUnderground Storage Tanks · 3.0 mi
- JE SP003Nitrate · 3.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Timblin'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 Timblin.
Total Sites
110
within ~10 miles of Timblin
Risk Level
Moderate
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Timblin
Severity Distribution
within ~10 miles of Timblin
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Timblin, Nitrate runs higher than the national average — 36 sites within ~10 miles of Timblin. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Timblin
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 Timblin average
Your land is one point inside Timblin
Everything above resolves to Timblin as a whole — one PHZM band and one 28°F frost record, read across 579 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 Timblin Average
Timblin Average
- ●USDA Zones 6a, averaged across Timblin
- ●One soil character for all of Timblin
- ●Frost dates read at Timblin's scale: Apr 26 to Oct 27
YOUR Parcel
- ✓Your exact zone, not Timblin's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Timblin
Pull a site-specific report for your exact address in Timblin, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Timblin averages can't show:
We read public map data around Timblin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Timblin average
How we know this about Timblin
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 Timblin’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 Timblin
When does frost risk typically end in Timblin?
The last hard freeze (28°F) in Timblin typically lands around Apr 26, 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 17.
When is the first frost in Timblin?
The first hard freeze (28°F) in Timblin typically arrives around Oct 27, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 13, so the watching starts about Sep 27 — about 184 days after the spring freeze cleared.
How long is the growing season in Timblin?
Measured between 28°F hard freezes, Timblin sees about 184 frost-free days — roughly Apr 26 through Oct 27, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 17 to Oct 13, about 149 days.
Is the soil safe to grow vegetables in Timblin?
The federal record around Timblin shows 110 documented sites, mostly Underground Storage Tanks entries (61), the nearest Underground Storage Tanks record about 1.4 miles out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Timblin?
From about Sep 27 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 27 (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 27. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Timblin's scale — its 6a band and its 184-day season. Your yard writes its own version of Timblin'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 Timblin’s own scale
7 of the readings below were taken at Timblin's own scale — its own ~184-day season between 28°F freezes, the 579 acres it covers and 110 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Timblin's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Timblin's own 28°F hard-freeze dates, about Apr 26 and Oct 27 and the ~184-day span between themNOAA 1991–2020 Climate Normals
- 110 documented contamination sites on the federal record near Timblin, the closest Underground Storage Tanks record about 1.4 miles out from the town centreFederal environmental registers
- Timblin's boundary and the 579 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~184-day seasonGrowable Ground crop-matching engine
- The ecoregion at Timblin's own centroid, the Western Allegheny PlateauUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Timblinlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Timblin's 579 acres read through its county's SSURGO summaryfrom Jefferson County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Jefferson 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 Jefferson County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Timblin's 579 acreswhy one lot differs from the next →
- Which side of Timblin you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 579 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 1.4 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 Timblin-wide figureread your own land →
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