Chiloquin, Oregon, sits in USDA hardiness zone 6b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Well-matched crops include cabbage, blackberry, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Chiloquin, 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 Chiloquin 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 Chiloquin — soil, climate, flood, and parcel records. How we handle your address.
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Chiloquin — the short answer
Chiloquin, Oregon: USDA zone 6b, about 123 days between hard freezes, across 523 acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Sep 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~123
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 523 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 Chiloquin's average, not your lot's — a low corner or a tree line moves it. Against Chiloquin's 123-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Chiloquin
Each reading below is measured for Chiloquin itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredChiloquin runs about 123 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
MeasuredChiloquin 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 Chiloquin is in
Chiloquin sits in the Eastern Cascades Slopes and Foothills — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Chiloquin's own centroid rather than borrowed from Klamath County.
What Grows in Chiloquin
Every plant below cleared Chiloquin's own zone 6b and its 123-day season. Each card opens that plant's Oregon profile. How we score.
Is it too late to plant in Chiloquin?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Apr 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Sep 23 — long-season crops need about 90 days of runway, quick greens only 30. In a season this compact, fast finishers and cold-hardy greens do the late work, and garlic tucked in before the freeze repays you next summer.
What's on the federal record near Chiloquin
Closest first, within ~10 miles of Chiloquin. Listing isn't leaking, and distance isn't exposure.
- MAY-SLADE OIL COUnderground Storage Tanks · 850 ft
- MAY-SLADE OIL CO.Underground Storage Tanks · 1100 ft
- TELEPHONE UTILITIES OF EASTERN OREGONUnderground Storage Tanks · 1100 ft
- KLAMATH MARSH RANCHUnderground Storage Tanks · 1100 ft
- FEUGO SIDINGUnderground Storage Tanks · 1100 ft
- SAND CREEK STATIONUnderground Storage Tanks · 1100 ft
- COLLIER MEMORIAL STATE PARKUnderground Storage Tanks · 1100 ft
- FORMER MARKWARDT BROTHERS GARAGEBrownfields · 1300 ft
- CHILOQUIN TEXACO (FORMER)Underground Storage Tanks · 1400 ft
- UNION PACIFIC CHILOQUIN YARDUnderground Storage Tanks · 1800 ft
- CHILOQUIN FOREST PRODUCTS INCUnderground Storage Tanks · 2200 ft
- USDA USFS R06 WINEMA NF CHILOQUIN RANGER DISTBrownfields · 0.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Chiloquin'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 Chiloquin.
Total Sites
51
within ~10 miles of Chiloquin
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Chiloquin
Severity Distribution
within ~10 miles of Chiloquin
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Chiloquin, Nitrate runs higher than the national average — 24 sites within ~10 miles of Chiloquin. That's not a problem with your land — it's information about 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 Chiloquin
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 Chiloquin average
Your land is one point inside Chiloquin
Everything above resolves to Chiloquin as a whole — one PHZM band and one 28°F frost record, read across 523 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 city 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 Chiloquin Average
Chiloquin Average
- ●USDA Zones 6b, averaged across Chiloquin
- ●One soil character for all of Chiloquin
- ●Frost dates read at Chiloquin's scale: May 23 to Sep 23
YOUR Parcel
- ✓Your exact zone, not Chiloquin's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Chiloquin
Pull a site-specific report for your exact address in Chiloquin, Oregon — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Chiloquin averages can't show:
We read public map data around Chiloquin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Chiloquin average
How we know this about Chiloquin
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Chiloquin’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 city grain anywhere on this page — there is no city-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 Chiloquin
When does frost risk typically end in Chiloquin?
The last hard freeze (28°F) in Chiloquin typically lands around May 23, 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 13.
When is the first frost in Chiloquin?
The first hard freeze (28°F) in Chiloquin typically arrives around Sep 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 9, so the watching starts about Aug 24 — about 123 days after the spring freeze cleared.
How long is the growing season in Chiloquin?
Measured between 28°F hard freezes, Chiloquin sees about 123 frost-free days — roughly May 23 through Sep 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Jun 13 to Sep 9, about 88 days.
Is the soil safe to grow vegetables in Chiloquin?
The federal record around Chiloquin shows 51 documented sites, mostly Nitrate entries (24), the nearest Underground Storage Tanks record about 0.2 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 gardeners stretch the season in Chiloquin?
With about 123 frost-free days between hard freezes, Chiloquin 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 151 to 179 days — and cold frames or low tunnels buy more. Starting transplants indoors ahead of the May 23 hard-freeze normal stretches the season without touching the calendar.
Everything above is measured at Chiloquin's scale — its 6b band and its 123-day season. Your yard writes its own version of Chiloquin'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 Chiloquin’s own scale
6 of the readings below were taken at Chiloquin's own scale — its own ~123-day season between 28°F freezes, the 523 acres it covers and 51 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Chiloquin's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Chiloquin's own 28°F hard-freeze dates, about May 23 and Sep 23 and the ~123-day span between themNOAA 1991–2020 Climate Normals
- 51 documented contamination sites on the federal record near Chiloquin, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Chiloquin's boundary and the 523 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~123-day seasonGrowable Ground crop-matching engine
- The ecoregion at Chiloquin'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 Chiloquin's 523 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 Chiloquin's 523 acreswhy one lot differs from the next →
- Which side of Chiloquin you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 523 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Chiloquin-wide figureread your own land →
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