Rouseville, Pennsylvania, sits in USDA hardiness zone 6a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Crops well matched to these conditions include cabbage, hazelnut, lavender, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Rouseville, 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 Rouseville 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 Rouseville — soil, climate, flood, and parcel records. How we handle your address.
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Rouseville — the short answer
Rouseville, Pennsylvania: USDA zone 6a, about 193 days between hard freezes, across 572 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 22
- 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
- ~193
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 572 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 Rouseville's average, not your lot's — a low corner or a tree line moves it. Against Rouseville's 193-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Rouseville
Each reading below is measured for Rouseville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredRouseville runs about 193 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
MeasuredRouseville 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 Rouseville is in
Rouseville sits in the North Central Appalachians — EPA Level III, inside the wider Northern Forests. That is read at Rouseville's own centroid rather than borrowed from Venango County.
What Grows in Rouseville
Every plant below cleared Rouseville's own zone 6a and its 193-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Rouseville?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 22 (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. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
Documented around Rouseville
Spotted lanternfly documented 3 miles from Rouseville, first recorded 2019. What to watch for.
What's on the federal record near Rouseville
Closest first, within ~10 miles of Rouseville. Listing isn't leaking, and distance isn't exposure.
- KEYSTONE CASTINGS CORPORATIONSuperfund · 1700 ft
- CORNPLANTERUnderground Storage Tanks · 2500 ft
- BUS GARAGEUnderground Storage Tanks · 0.5 mi
- CALUMET LUBRICANTS CO. ROUSEVILLE PLANTToxics Release Inventory · 0.5 mi
- GOC PROPERTY HOLDINGS LLCBrownfields · 0.5 mi
- ROUSEVILLE REFUnderground Storage Tanks · 0.5 mi
- PENNZOIL QUAKER STATEBrownfields · 0.6 mi
- PENNZOIL QUAKER STATEToxics Release Inventory · 0.6 mi
- MANION STEEL BARRELToxics Release Inventory · 0.8 mi
- SASOL CHEM USA OIL CITY PLTUnderground Storage Tanks · 1.0 mi
- SASOL CHEM USA LLC/OIL CITYBrownfields · 1.2 mi
- SASOL CHEM USA LLC/OIL CITYToxics Release Inventory · 1.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Rouseville'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 Rouseville.
Total Sites
259
within ~10 miles of Rouseville
Risk Level
Elevated
Highest-severity
3 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Rouseville
Severity Distribution
within ~10 miles of Rouseville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Rouseville, Toxics Release Inventory runs higher than the national average — 26 sites within ~10 miles of Rouseville. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Rouseville
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 Rouseville average
Your land is one point inside Rouseville
Everything above resolves to Rouseville as a whole — one PHZM band and one 28°F frost record, read across 572 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 Rouseville Average
Rouseville Average
- ●USDA Zones 6a, averaged across Rouseville
- ●One soil character for all of Rouseville
- ●Frost dates read at Rouseville's scale: Apr 22 to Nov 1
YOUR Parcel
- ✓Your exact zone, not Rouseville's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Rouseville
Pull a site-specific report for your exact address in Rouseville, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Rouseville averages can't show:
We read public map data around Rouseville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Rouseville average
How we know this about Rouseville
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 Rouseville’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 Rouseville
When does frost risk typically end in Rouseville?
The last hard freeze (28°F) in Rouseville typically lands around Apr 22, 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 13.
When is the first frost in Rouseville?
The first hard freeze (28°F) in Rouseville 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 193 days after the spring freeze cleared.
How long is the growing season in Rouseville?
Measured between 28°F hard freezes, Rouseville sees about 193 frost-free days — roughly Apr 22 through Nov 1, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 13 to Oct 18, about 158 days.
Is the soil safe to grow vegetables in Rouseville?
The federal record around Rouseville is a meaningful one — 259 documented sites, mostly Underground Storage Tanks entries (133), the nearest Superfund record about 0.3 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 Rouseville?
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 Rouseville's scale — its 6a band and its 193-day season. Your yard writes its own version of Rouseville'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 Rouseville’s own scale
7 of the readings below were taken at Rouseville's own scale — its own ~193-day season between 28°F freezes, the 572 acres it covers and 259 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Rouseville's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Rouseville's own 28°F hard-freeze dates, about Apr 22 and Nov 1 and the ~193-day span between themNOAA 1991–2020 Climate Normals
- 259 documented contamination sites on the federal record near Rouseville, the closest Superfund record about 0.3 miles out from the town centreFederal environmental registers
- Rouseville's boundary and the 572 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~193-day seasonGrowable Ground crop-matching engine
- The ecoregion at Rouseville's own centroid, the North Central AppalachiansUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Rousevillelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Rouseville's 572 acres read through its county's SSURGO summaryfrom Venango County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Venango 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 Venango County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Rouseville's 572 acreswhy one lot differs from the next →
- Which side of Rouseville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 572 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Superfund 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 Rouseville-wide figureread your own land →
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