Keno, Oregon, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Among the crops suited to this profile: cabbage, blackberry, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Keno, 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 Keno 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 Keno — soil, climate, flood, and parcel records. How we handle your address.
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Keno — the short answer
Keno, Oregon: USDA zone 6b, about 132 days between hard freezes, across 6K acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Sep 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~132
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 6K 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 Keno's average, not your lot's — a low corner or a tree line moves it. Against Keno's 132-day season, see what your own ground reads.
Your town runs its own season
Keno's own 30-year record measures about 132 days between 28°F killing freezes — 46 days longer than Klamath County's ~86. Both are measured records, not estimates.
That gap is the whole reason a county average can mislead here. Plant against Keno's ~132-day season rather than the county figure — and the sun, slope and cold-air drainage on your specific lot move it again.
NOAA Regional Climate Centers ACIS (1991–2020), 30-year daily minimum record. Both figures are measured records — this town’s own and its county’s. A town with no record of its own is absent here rather than estimated.
Soil varies lot by lot — soil types explained.
What this means for growing in Keno
Each reading below is measured for Keno itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredKeno runs about 132 days between hard freezes — a short growing season.
Long-maturing crops like melons, sweet potatoes, and winter squash can run out of runway before the first hard freeze, ripening late or not at all.
Lead with fast-maturing varieties, and stretch the season on both ends with cold frames, low tunnels, or a greenhouse.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredKeno 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 Keno is in
Keno sits in the Eastern Cascades Slopes and Foothills — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Keno's own centroid rather than borrowed from Klamath County.
What Grows in Keno
Every plant below cleared Keno's own zone 6b and its 132-day season. Each card opens that plant's Oregon profile. How we score.
Is it too late to plant in Keno?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Apr 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 19 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Sep 28 — long-season crops need about 90 days of runway, quick greens only 30. When the window is tight, the fall moves are quick ones — baby greens, radishes, and garlic set for next season.
What's on the federal record near Keno
Closest first, within ~10 miles of Keno. Listing isn't leaking, and distance isn't exposure.
- J C BOYLE POWER PLANTUnderground Storage Tanks · 2000 ft
- KLAMATH RIVER GASUnderground Storage Tanks · 2000 ft
- HILLTOP SERVICE STATIONUnderground Storage Tanks · 2100 ft
- KENO DAMUnderground Storage Tanks · 0.7 mi
- WEYERHAEUSER CO - KLAMATH MILL SITEUnderground Storage Tanks · 3.1 mi
- KENO AFSUnderground Storage Tanks · 3.4 mi
- QWEST CORPORATION dba CENTURYLINK QC (R0Underground Storage Tanks · 3.4 mi
- FAA RADARSITE GARAGEUnderground Storage Tanks · 3.4 mi
- USAF KENO AFSSuperfund · 4.8 mi
- MIDLAND TEXACOUnderground Storage Tanks · 5.2 mi
- HENZEL BROS.Underground Storage Tanks · 5.5 mi
- WARREN,GERALD D. & JANICE J.Underground Storage Tanks · 5.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Keno'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 Keno.
Total Sites
126
within ~10 miles of Keno
Risk Level
Elevated
Highest-severity
3 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Keno
Severity Distribution
within ~10 miles of Keno
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Keno, two things run higher than the national average within ~10 miles of Keno — Superfund (3 sites) and Toxics Release Inventory (10 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Keno
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 Keno average
Your land is one point inside Keno
Everything above resolves to Keno as a whole — and this is a town whose own 30-year record already runs a season its county’s does not. Your parcel sits at one point inside even that. 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 Keno Average
Keno Average
- ●USDA Zones 6b, averaged across Keno
- ●One soil character for all of Keno
- ●Frost dates read at Keno's scale: May 19 to Sep 28
YOUR Parcel
- ✓Your exact zone, not Keno's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Keno
Pull a site-specific report for your exact address in Keno, Oregon — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Keno averages can't show:
We read public map data around Keno — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Keno average
How we know this about Keno
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 Keno’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 Keno
When does frost risk typically end in Keno?
The last hard freeze (28°F) in Keno typically lands around May 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 Jun 9.
When is the first frost in Keno?
The first hard freeze (28°F) in Keno typically arrives around Sep 28, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 14, so the watching starts about Aug 29 — about 132 days after the spring freeze cleared.
How long is the growing season in Keno?
Measured between 28°F hard freezes, Keno sees about 132 frost-free days — roughly May 19 through Sep 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Jun 9 to Sep 14, about 97 days.
Is the soil safe to grow vegetables in Keno?
The federal record around Keno is a meaningful one — 126 documented sites, mostly Underground Storage Tanks entries (86), the nearest Underground Storage Tanks record about 0.4 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 gardeners stretch the season in Keno?
With about 132 frost-free days between hard freezes, Keno rewards the classic extension moves: floating row cover buys roughly two to four extra weeks at each shoulder — on this season that is a working window nearer 160 to 188 days — and cold frames or low tunnels buy more. Starting transplants indoors ahead of the May 19 hard-freeze normal stretches the season without touching the calendar.
Everything above is measured at Keno's scale — its 6b band and its 132-day season. Your yard writes its own version of Keno'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 Keno’s own scale
6 of the readings below were taken at Keno's own scale — its own ~132-day season between 28°F freezes, the 5,922 acres it covers and 126 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Keno's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Keno's own 28°F hard-freeze dates, about May 19 and Sep 28 and the ~132-day span between themNOAA 1991–2020 Climate Normals
- 126 documented contamination sites on the federal record near Keno, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Keno's boundary and the 5,922 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~132-day seasonGrowable Ground crop-matching engine
- The ecoregion at Keno's own centroid, the Eastern Cascades Slopes and FoothillsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Keno's 5,922 acres read through its county's SSURGO summaryfrom Klamath County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Klamath County
- The growing challenges every Oregon grower plans around — written at state scale, so they stay on the state guidefrom Oregon
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Klamath County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Keno's 5,922 acreswhy one lot differs from the next →
- Which side of Keno you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,922 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.4 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 Keno-wide figureread your own land →
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