Winston, Oregon, sits in USDA hardiness zone 9a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Reliable performers under these conditions include kale, douglas fir, garlic, and hazelnut; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Winston, 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 Winston 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 Winston — soil, climate, flood, and parcel records. How we handle your address.
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Winston — the short answer
Winston, Oregon: USDA zone 9a, about 277 days between hard freezes, across 2K acres of city.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 23
- Douglas County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 27
- Douglas County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~277
- Douglas County normal — NOAA 1991–2020, nearest to this town
- City area
- 2K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Douglas County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Winston's average, not your lot's — a low corner or a tree line moves it. Against Winston's 277-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Winston
Each reading below is measured for Winston itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsWinston runs about 277 days between hard freezes (read from Douglas County, the closest normal to Winston) — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredWinston sits in USDA hardiness zone 9a.
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 Winston is in
Winston sits in the Klamath Mountains/California High North Coast Range — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Winston's own centroid, and it is not what its county reads: Douglas County is mostly Cascades. The wider page above you is answering a different question about different ground.
What Grows in Winston
Plants matched to Winston's USDA zones 9a, ordered by how much hardiness margin each has here — the ones with room to spare at both ends of this town's band lead. Each links to its full growing profile.
Is it too late to plant in Winston?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Jan 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 27 — long-season crops need about 90 days of runway, quick greens only 30. With almost year-round growing weather, timing is about heat and rainfall more than frost — some bench is always in play.
What's on the federal record near Winston
Closest first, within ~10 miles of Winston. Listing isn't leaking, and distance isn't exposure.
- ROD'S GROCERY STOREUnderground Storage Tanks · 850 ft
- WINSTON-DILLARD WATER DISTRICTUnderground Storage Tanks · 2000 ft
- OR STATE HWY 3-6 WINSTONUnderground Storage Tanks · 2500 ft
- HARRINGTON PETROLEUMUnderground Storage Tanks · 0.5 mi
- HARWOOD AUTOMOTIVE INC.Underground Storage Tanks · 0.5 mi
- WINSTON-DILLARD FIRE STATIONUnderground Storage Tanks · 0.5 mi
- WINSTON AUTO WRECKINGUnderground Storage Tanks · 0.5 mi
- ASTRO #234Underground Storage Tanks · 0.6 mi
- OLD SERVICE STATIONUnderground Storage Tanks · 0.6 mi
- USWEST - WINSTON-DILLARD C O - 010255Underground Storage Tanks · 0.6 mi
- RON'S OIL EXXON #7Underground Storage Tanks · 0.6 mi
- DODSON BUTTE RMLUnderground Storage Tanks · 0.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Winston'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 Winston.
Total Sites
275
within ~10 miles of Winston
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Winston
Severity Distribution
within ~10 miles of Winston
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Winston, Underground Storage Tanks runs higher than the national average — 200 sites within ~10 miles of Winston. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Winston
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 Winston average
Your land is one point inside Winston
Everything above resolves to Winston as a whole — one PHZM band, read across 2K acres, with hard-freeze dates borrowed from Douglas County’s record because no 30-year normal resolves at this city’s own centroid. 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 Winston Average
Winston Average
- ●USDA Zones 9a, averaged across Winston
- ●One soil character for all of Winston
- ●Frost dates read at Winston's scale: Feb 23 to Nov 27
YOUR Parcel
- ✓Your exact zone, not Winston's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Winston
Pull a site-specific report for your exact address in Winston, Oregon — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Winston averages can't show:
We read public map data around Winston — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Winston average
How we know this about Winston
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 Douglas County’s record, because none resolves here; 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 Winston
When does frost risk typically end in Winston?
The last hard freeze (28°F) in Winston typically lands around Feb 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 Mar 16.
When is the first frost in Winston?
The first hard freeze (28°F) in Winston typically arrives around Nov 27, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 13, so the watching starts about Oct 28 — about 277 days after the spring freeze cleared.
How long is the growing season in Winston?
Measured between 28°F hard freezes, Winston sees about 277 frost-free days — roughly Feb 23 through Nov 27, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 16 to Nov 13, about 242 days.
Is the soil safe to grow vegetables in Winston?
The federal record around Winston is a meaningful one — 275 documented sites, mostly Underground Storage Tanks entries (200), the nearest Underground Storage Tanks record about 0.2 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 Winston?
From about Oct 28 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 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 Nov 27. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Winston's scale — its 9a band and its 277-day season. Your yard writes its own version of Winston'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 Winston’s own scale
4 of the readings below were taken at Winston's own scale — the 1,767 acres it covers and 275 documented sites around it; 6 are borrowed from a wider read, named and linked below.
Measured here
- Winston's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 275 documented contamination sites on the federal record near Winston, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Winston's boundary and the 1,767 acres inside itUS Census TIGER/Line 2025
- Winston sits in the Klamath Mountains/California High North Coast Range — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Winston has no normal of its own, so its county's is the closest measured readfrom Douglas County
- Soil character — no town-scale survey exists, so Winston's 1,767 acres read through its county's SSURGO summaryfrom Douglas County
- The candidate plant list — Oregon's curated set, filtered to this zone band and re-ordered by how much margin each has herefrom Oregon
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Douglas 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 Douglas County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Winston's 1,767 acreswhy one lot differs from the next →
- Which side of Winston you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,767 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 Winston-wide figureread your own land →
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