Aumsville, Oregon, sits in USDA hardiness zone 8b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Expect cabbage, fig, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Aumsville, 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 Aumsville 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 Aumsville — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Aumsville — the short answer
Aumsville, Oregon: USDA zone 8b, about 243 days between hard freezes, across 723 acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 23
- Marion County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 21
- Marion County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~243
- Marion County normal — NOAA 1991–2020, nearest to this town
- City area
- 723 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 Marion County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8b is Aumsville's average, not your lot's — a low corner or a tree line moves it. Against Aumsville's 243-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Aumsville
Each reading below is measured for Aumsville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsAumsville runs about 243 days between hard freezes (read from Marion County, the closest normal to Aumsville) — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredAumsville sits in USDA hardiness zone 8b.
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 Aumsville is in
Aumsville sits in the Willamette Valley — EPA Level III, inside the wider Marine West Coast Forest. That is read at Aumsville's own centroid rather than borrowed from Marion County.
What Grows in Aumsville
Every plant below cleared Aumsville's own zone 8b and its 243-day season. Each card opens that plant's Oregon profile. How we score.
Is it too late to plant in Aumsville?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 21 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around Aumsville
Survey cells within 31 miles of Aumsville checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 492 miles off. What to watch for.
What's on the federal record near Aumsville
Closest first, within ~10 miles of Aumsville. Listing isn't leaking, and distance isn't exposure.
- DHI (PREV. MODULINE INDUSTRIES INC)Brownfields · 1900 ft
- AUMSVILLE CENTRAL OFFICEUnderground Storage Tanks · 2000 ft
- MODULINE INDUSTRIES INCUnderground Storage Tanks · 2000 ft
- AUMSVILLE QUICK STOPUnderground Storage Tanks · 2000 ft
- AUMSVILLE DISTRICT SHOPUnderground Storage Tanks · 2000 ft
- B-G SERVICE CENTERUnderground Storage Tanks · 2000 ft
- J & F FEED & SEED CO., INC.Underground Storage Tanks · 2100 ft
- AUMSVILLE CHEVRONUnderground Storage Tanks · 2100 ft
- AUMSVILLE ELEMENTARY SCHOOL DIST #11Underground Storage Tanks · 2100 ft
- AUMSVILLE, CITY OFUnderground Storage Tanks · 2300 ft
- AUMSVILLE EXXONUnderground Storage Tanks · 2400 ft
- SANTIAM SANITARY SERVICEUnderground Storage Tanks · 2600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Aumsville'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 Aumsville.
Total Sites
494
within ~10 miles of Aumsville
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Aumsville
Severity Distribution
within ~10 miles of Aumsville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Aumsville, two things run higher than the national average within ~10 miles of Aumsville — PFAS (5 sites) and Underground Storage Tanks (313 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Aumsville
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 Aumsville average
Your land is one point inside Aumsville
Everything above resolves to Aumsville as a whole — one PHZM band, read across 723 acres, with hard-freeze dates borrowed from Marion 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 Aumsville Average
Aumsville Average
- ●USDA Zones 8b, averaged across Aumsville
- ●One soil character for all of Aumsville
- ●Frost dates read at Aumsville's scale: Mar 23 to Nov 21
YOUR Parcel
- ✓Your exact zone, not Aumsville's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Aumsville
Pull a site-specific report for your exact address in Aumsville, Oregon — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Aumsville averages can't show:
We read public map data around Aumsville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Aumsville average
How we know this about Aumsville
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 Marion 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 Aumsville
When does frost risk typically end in Aumsville?
The last hard freeze (28°F) in Aumsville typically lands around Mar 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 Apr 13.
When is the first frost in Aumsville?
The first hard freeze (28°F) in Aumsville typically arrives around Nov 21, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 7, so the watching starts about Oct 22 — about 243 days after the spring freeze cleared.
How long is the growing season in Aumsville?
Measured between 28°F hard freezes, Aumsville sees about 243 frost-free days — roughly Mar 23 through Nov 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 13 to Nov 7, about 208 days.
Is the soil safe to grow vegetables in Aumsville?
The federal record around Aumsville is a meaningful one — 494 documented sites, mostly Underground Storage Tanks entries (313), the nearest Brownfields 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 I protect my plants from frost in Aumsville?
From about Oct 22 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 21 (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 21. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Aumsville's scale — its 8b band and its 243-day season. Your yard writes its own version of Aumsville'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 Aumsville’s own scale
6 of the readings below were taken at Aumsville's own scale — the 723 acres it covers and 494 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Aumsville's own USDA hardiness band, zones 8bUSDA PHZM 2023
- 494 documented contamination sites on the federal record near Aumsville, the closest Brownfields record about 0.4 miles out from the town centreFederal environmental registers
- Aumsville's boundary and the 723 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~243-day seasonGrowable Ground crop-matching engine
- The ecoregion at Aumsville's own centroid, the Willamette ValleyUS EPA Level III Ecoregions
- Lanternfly survey cells around Aumsville checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- The 28°F hard-freeze dates — Aumsville has no normal of its own, so its county's is the closest measured readfrom Marion County
- Soil character — no town-scale survey exists, so Aumsville's 723 acres read through its county's SSURGO summaryfrom Marion County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Marion 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 Marion County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Aumsville's 723 acreswhy one lot differs from the next →
- Which side of Aumsville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 723 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Aumsville-wide figureread your own land →