Mapleton, Oregon, sits in USDA hardiness zone 9a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Expect artichoke, fig, california poppy, and cabbage to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Mapleton, 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 Mapleton 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 Mapleton — soil, climate, flood, and parcel records. How we handle your address.
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Mapleton — the short answer
Mapleton, Oregon: USDA zone 9a, about 284 days between hard freezes, across 575 acres of town.
- USDA zone
- 9a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 17
- Lane County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 28
- Lane County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~284
- Lane County normal — NOAA 1991–2020, nearest to this town
- Town area
- 575 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 Lane County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 9a is Mapleton's average, not your lot's — a low corner or a tree line moves it. Against Mapleton's 284-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Mapleton
Each reading below is measured for Mapleton itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsMapleton runs about 284 days between hard freezes (read from Lane County, the closest normal to Mapleton) — 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
MeasuredMapleton 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 Mapleton is in
Mapleton sits in the Coast Range — EPA Level III, inside the wider Marine West Coast Forest. That is read at Mapleton's own centroid, and it is not what its county reads: Lane County is mostly Cascades. The wider page above you is answering a different question about different ground.
What Grows in Mapleton
Every plant below cleared Mapleton's own zone 9a and its 284-day season. Each card opens that plant's Oregon profile. How we score.
Is it too late to plant in Mapleton?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Jan 20; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 28 — 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 Mapleton
Closest first, within ~10 miles of Mapleton. Listing isn't leaking, and distance isn't exposure.
- GAMBLE, DAVIDUnderground Storage Tanks · 1300 ft
- MAPLETON FOOD & FUELUnderground Storage Tanks · 0.6 mi
- DAVIDSON INDUSTRIES, INC.Underground Storage Tanks · 0.8 mi
- MAPLETON SCHOOL DIST #32, BUS SHOPUnderground Storage Tanks · 2.0 mi
- MAPLETON RANGER DISTRICTUnderground Storage Tanks · 2.1 mi
- MAPLETON - S.P.T.Underground Storage Tanks · 2.1 mi
- BRICKERVILLE STOREUnderground Storage Tanks · 2.5 mi
- TIDE MARKETUnderground Storage Tanks · 2.6 mi
- ELK RIVER ENTERPRISESBrownfields · 2.9 mi
- LAURENCE PROPERTYUnderground Storage Tanks · 3.0 mi
- KELLY'S MARKETUnderground Storage Tanks · 3.6 mi
- DEADWOOD STOREUnderground Storage Tanks · 6.7 mi
4 more sites are on the record inside the same radius. See them on the map
Measured from Mapleton'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 Mapleton.
Severity Distribution
within ~10 miles of Mapleton
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •PFAS do not break down in groundwater. Irrigate from a tested source.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
Check your specific parcel in Mapleton
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 Mapleton average
Your land is one point inside Mapleton
Everything above resolves to Mapleton as a whole — one PHZM band, read across 575 acres, with hard-freeze dates borrowed from Lane County’s record because no 30-year normal resolves at this town’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 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 Mapleton Average
Mapleton Average
- ●USDA Zones 9a, averaged across Mapleton
- ●One soil character for all of Mapleton
- ●Frost dates read at Mapleton's scale: Feb 17 to Nov 28
YOUR Parcel
- ✓Your exact zone, not Mapleton's 9a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Mapleton
Pull a site-specific report for your exact address in Mapleton, Oregon — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Mapleton averages can't show:
We read public map data around Mapleton — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mapleton average
How we know this about Mapleton
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 Lane 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 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 Mapleton
When does frost risk typically end in Mapleton?
The last hard freeze (28°F) in Mapleton typically lands around Feb 17, 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 10.
When is the first frost in Mapleton?
The first hard freeze (28°F) in Mapleton typically arrives around Nov 28, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 14, so the watching starts about Oct 29 — about 284 days after the spring freeze cleared.
How long is the growing season in Mapleton?
Measured between 28°F hard freezes, Mapleton sees about 284 frost-free days — roughly Feb 17 through Nov 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 10 to Nov 14, about 249 days.
Is the soil safe to grow vegetables in Mapleton?
The federal record around Mapleton is light — 17 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (14), the nearest Underground Storage Tanks record about 0.3 miles 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 Mapleton?
From about Oct 29 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 28 (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 28. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Mapleton's scale — its 9a band and its 284-day season. Your yard writes its own version of Mapleton'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 Mapleton’s own scale
5 of the readings below were taken at Mapleton's own scale — the 575 acres it covers and 17 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Mapleton's own USDA hardiness band, zones 9aUSDA PHZM 2023
- 17 documented contamination sites on the federal record near Mapleton, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Mapleton's boundary and the 575 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 9a and a ~284-day seasonGrowable Ground crop-matching engine
- Mapleton sits in the Coast Range — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — Mapleton has no normal of its own, so its county's is the closest measured readfrom Lane County
- Soil character — no town-scale survey exists, so Mapleton's 575 acres read through its county's SSURGO summaryfrom Lane County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Lane 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 Lane County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Mapleton's 575 acreswhy one lot differs from the next →
- Which side of Mapleton you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 575 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 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 Mapleton-wide figureread your own land →