Elgin, Oregon, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Growers here do well with cabbage, blackberry, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Elgin, 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 Elgin 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 Elgin — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Elgin — the short answer
Elgin, Oregon: USDA zone 6b, about 157 days between hard freezes, across 647 acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~157
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 647 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 Elgin's average, not your lot's — a low corner or a tree line moves it. Against Elgin's 157-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Elgin
Each reading below is measured for Elgin itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredElgin runs about 157 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
MeasuredElgin 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 Elgin is in
Elgin sits in the Blue Mountains — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Elgin's own centroid rather than borrowed from Union County.
What Grows in Elgin
Every plant below cleared Elgin's own zone 6b and its 157-day season. Each card opens that plant's Oregon profile. How we score.
Is it too late to plant in Elgin?
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 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 5 — long-season crops need about 90 days of runway, quick greens only 30. The tail of the season still works: sixty-day crops into late summer, quick greens after, garlic last of all.
What's on the federal record near Elgin
Closest first, within ~10 miles of Elgin. Listing isn't leaking, and distance isn't exposure.
- STEVEN TERRY TRUCKINGUnderground Storage Tanks · 200 ft
- HARVEST STATES COOPERATIVESUnderground Storage Tanks · 200 ft
- OR STATE HWY 5-13 ELGINUnderground Storage Tanks · 450 ft
- ELGIN, CITY OF, CITY SHOPSUnderground Storage Tanks · 750 ft
- GTE CENTRAL OFFICEUnderground Storage Tanks · 800 ft
- UNION COUNTY PUBLIC WORKSUnderground Storage Tanks · 800 ft
- ELGIN, CITY OFUnderground Storage Tanks · 1000 ft
- ELGIN CHEVRONUnderground Storage Tanks · 1100 ft
- UNION PACIFIC RRUnderground Storage Tanks · 1500 ft
- ELGIN SCHOOL DIST. NO. 23Underground Storage Tanks · 1500 ft
- O & M GAS & GROCERIESUnderground Storage Tanks · 2200 ft
- TEAM LEGACY INCBrownfields · 2400 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Elgin'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 Elgin.
Total Sites
30
within ~10 miles of Elgin
Risk Level
Low
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Elgin
Severity Distribution
within ~10 miles of Elgin
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Elgin, Underground Storage Tanks runs higher than the national average — 25 sites within ~10 miles of Elgin. That's not a problem with your land — it's information about 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 Elgin
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 Elgin average
Your land is one point inside Elgin
Everything above resolves to Elgin as a whole — one PHZM band and one 28°F frost record, read across 647 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 Elgin Average
Elgin Average
- ●USDA Zones 6b, averaged across Elgin
- ●One soil character for all of Elgin
- ●Frost dates read at Elgin's scale: May 1 to Oct 5
YOUR Parcel
- ✓Your exact zone, not Elgin's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Elgin
Pull a site-specific report for your exact address in Elgin, Oregon — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Elgin averages can't show:
We read public map data around Elgin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Elgin average
How we know this about Elgin
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 Elgin’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 Elgin
When does frost risk typically end in Elgin?
The last hard freeze (28°F) in Elgin typically lands around May 1, 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 22.
When is the first frost in Elgin?
The first hard freeze (28°F) in Elgin typically arrives around Oct 5, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 21, so the watching starts about Sep 5 — about 157 days after the spring freeze cleared.
How long is the growing season in Elgin?
Measured between 28°F hard freezes, Elgin sees about 157 frost-free days — roughly May 1 through Oct 5, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 22 to Sep 21, about 122 days.
Is the soil safe to grow vegetables in Elgin?
The federal record around Elgin is light — 30 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (25), the nearest Underground Storage Tanks record under a tenth of a mile out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Elgin?
From about Sep 5 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 5 (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 5. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Elgin's scale — its 6b band and its 157-day season. Your yard writes its own version of Elgin'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 Elgin’s own scale
6 of the readings below were taken at Elgin's own scale — its own ~157-day season between 28°F freezes, the 647 acres it covers and 30 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Elgin's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Elgin's own 28°F hard-freeze dates, about May 1 and Oct 5 and the ~157-day span between themNOAA 1991–2020 Climate Normals
- 30 documented contamination sites on the federal record near Elgin, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Elgin's boundary and the 647 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~157-day seasonGrowable Ground crop-matching engine
- The ecoregion at Elgin's own centroid, the Blue MountainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Elgin's 647 acres read through its county's SSURGO summaryfrom Union County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Union 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 Union County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Elgin's 647 acreswhy one lot differs from the next →
- Which side of Elgin you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 647 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Elgin-wide figureread your own land →
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