Cowen, West Virginia, sits in USDA hardiness zone 6b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Crops well matched to these conditions include cabbage, blackberry, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Cowen, 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 Cowen 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 Cowen — soil, climate, flood, and parcel records. How we handle your address.
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Cowen — the short answer
Cowen, West Virginia: USDA zone 6b, about 190 days between hard freezes, across 403 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~190
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 403 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 Cowen's average, not your lot's — a low corner or a tree line moves it. Against Cowen's 190-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Cowen
Each reading below is measured for Cowen itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCowen runs about 190 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
MeasuredCowen 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 Cowen is in
Cowen sits in the Central Appalachians — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Cowen's own centroid rather than borrowed from Webster County.
What Grows in Cowen
Every plant below cleared Cowen's own zone 6b and its 190-day season. Each card opens that plant's West Virginia profile. How we score.
Is it too late to plant in Cowen?
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 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 19 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 26 — 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 Cowen
Survey cells within 31 miles of Cowen checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 73 miles off. What to watch for.
What's on the federal record near Cowen
Closest first, within ~10 miles of Cowen. Listing isn't leaking, and distance isn't exposure.
- GO MART # 109Underground Storage Tanks · 550 ft
- COWEN WHOLESALE CO INCUnderground Storage Tanks · 700 ft
- WEBSTER CO BOARD OF EDUCATIONUnderground Storage Tanks · 900 ft
- CAMDEN ON GAULEY MEDICAL CENTER INC DBA CAMDEN FAMILY HEALTHBrownfields · 950 ft
- R C MART INCUnderground Storage Tanks · 950 ft
- LINDAS GROCERYUnderground Storage Tanks · 1000 ft
- WEBSTER MEMORIAL HOSPITAL - PRESCRIPTION CENTERBrownfields · 1100 ft
- CARPENTER'S SERVICE STATIONUnderground Storage Tanks · 1400 ft
- FORMERLY BOB'S CONVIENCE STOREUnderground Storage Tanks · 1400 ft
- FORMER S/S #29576Underground Storage Tanks · 1400 ft
- ERBACON LEASING CO DBA WEBSTER HEALTHCARE CENTERBrownfields · 1900 ft
- R W WILSON MUFFLER & CAR REPAIRUnderground Storage Tanks · 1900 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Cowen'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 Cowen.
Total Sites
208
within ~10 miles of Cowen
Risk Level
Elevated
Highest-severity
6 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Cowen
Severity Distribution
within ~10 miles of Cowen
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Cowen, Nitrate runs higher than the national average — 84 sites within ~10 miles of Cowen. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
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 Cowen
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 Cowen average
Your land is one point inside Cowen
Everything above resolves to Cowen as a whole — one PHZM band and one 28°F frost record, read across 403 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 Cowen Average
Cowen Average
- ●USDA Zones 6b, averaged across Cowen
- ●One soil character for all of Cowen
- ●Frost dates read at Cowen's scale: Apr 19 to Oct 26
YOUR Parcel
- ✓Your exact zone, not Cowen's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Cowen
Pull a site-specific report for your exact address in Cowen, West Virginia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Cowen averages can't show:
We read public map data around Cowen — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Cowen average
How we know this about Cowen
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 Cowen’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 Cowen
When does frost risk typically end in Cowen?
The last hard freeze (28°F) in Cowen typically lands around Apr 19, 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 10.
When is the first frost in Cowen?
The first hard freeze (28°F) in Cowen typically arrives around Oct 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 12, so the watching starts about Sep 26 — about 190 days after the spring freeze cleared.
How long is the growing season in Cowen?
Measured between 28°F hard freezes, Cowen sees about 190 frost-free days — roughly Apr 19 through Oct 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 10 to Oct 12, about 155 days.
Is the soil safe to grow vegetables in Cowen?
The federal record around Cowen is a meaningful one — 208 documented sites, mostly Underground Storage Tanks entries (85), 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 Cowen?
From about Sep 26 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 26 (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 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Cowen's scale — its 6b band and its 190-day season. Your yard writes its own version of Cowen'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 Cowen’s own scale
7 of the readings below were taken at Cowen's own scale — its own ~190-day season between 28°F freezes, the 403 acres it covers and 208 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Cowen's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Cowen's own 28°F hard-freeze dates, about Apr 19 and Oct 26 and the ~190-day span between themNOAA 1991–2020 Climate Normals
- 208 documented contamination sites on the federal record near Cowen, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Cowen's boundary and the 403 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~190-day seasonGrowable Ground crop-matching engine
- The ecoregion at Cowen's own centroid, the Central AppalachiansUS EPA Level III Ecoregions
- Lanternfly survey cells around Cowen checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Cowen's 403 acres read through its county's SSURGO summaryfrom Webster County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Webster County
- The growing challenges every West Virginia grower plans around — written at state scale, so they stay on the state guidefrom West Virginia
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Webster County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Cowen's 403 acreswhy one lot differs from the next →
- Which side of Cowen you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 403 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 Cowen-wide figureread your own land →