Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 97453 — Mapleton, OR

ZIP code 97453 (Mapleton, Lane County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 15 and the first fall frost December 9.

Where ZIP 97453 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostFeb 15
First frostDec 9
2012 zone9a

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Mapleton, OR…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Mapleton, OR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 15median — 50% chance of a later frost
Safe for tender plantsMarch 19only 10% chance of frost after
First fall frostDecember 9median — 10% chance by Nov 9
Growing season306 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 6 and returns around December 25.

From the NOAA station Mapleton, OR — 4 miles away, elevation 16 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 97453

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 4 – Jan 18
SpinachSow outdoors · Jan 4 – Jan 25
Broccoli, cabbageStart indoors · Dec 7 – Dec 21
Broccoli, cabbageTransplant · Jan 25 – Feb 8
Onion setsPlant outdoors · Jan 18 – Feb 1
PotatoesPlant outdoors · Jan 25 – Feb 8
LettuceSow outdoors · Jan 18 – Feb 1
Carrots, beetsSow outdoors · Jan 25 – Feb 8
TomatoesStart indoors · Dec 21 – Jan 4
TomatoesTransplant · Feb 22 – Mar 8
Peppers, eggplantStart indoors · Dec 7 – Dec 21
Peppers, eggplantTransplant · Mar 1 – Mar 15
BeansSow outdoors · Feb 22 – Mar 8
Sweet cornSow outdoors · Feb 22 – Mar 8
Cucumbers, squashSow outdoors · Feb 22 – Mar 8
Fall lettuce, spinachSow outdoors · Oct 14 – Oct 28
GarlicPlant cloves · Nov 25 – Dec 30
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 15) and first fall frost (Dec 9) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 97453 came on Feb 3 — 8 days earlier than the 1991–2020 average (Feb 11).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 9a in Oregon

666 plants native to the lower 48 states, recorded in Oregon, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.

Trees 44

Alaska cedar75 ft · blooms mid spring · low shade tolerance · to −22 °Fbalsam poplar80 ft · blooms late spring · high shade tolerance · to −79 °Fbigleaf maple60 ft · blooms mid spring · medium shade tolerance · to −14 °FBishop pine90 ft · blooms mid spring · low shade tolerance · to 17 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fboxelder60 ft · blooms early spring · low shade tolerance · to −46 °F

Shrubs 133

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °Falderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °Falpine laurel1 ft · blooms late spring · low shade tolerance · to −28 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °Fbeaked hazelnut15 ft · blooms early spring · low shade tolerance · to −47 °Fbig sagebrush4 ft · blooms mid summer · high shade tolerance · to −43 °F

Wildflowers & perennials 305

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °F

Grasses 169

Alaska brome5 ft · blooms late spring · low shade tolerance · to −18 °FAlaska oniongrass3 ft · blooms mid spring · low shade tolerance · to −33 °Falkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °F

Vines 2

riverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fwestern white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Mapleton, OR.

Soil in Mapleton, OR

The soil mapped at the center of ZIP 97453 is Preacher — loam, well drained.

TextureLoama good balance for most vegetables
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter6.5%high
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Preacher loam, 25 to 50 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 97453; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mapleton, OR

Summer high80 °Faverage high, July
Winter low40 °Faverage low, December
Hot days9days a year at 90 °F or more
Freezing nights22nights a year at 32 °F or less
Growing degree days2,599base 50 °F — the season’s usable heat
Longest day15 h 29 mindaylight on June 21
Shortest day8 h 53 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation84 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°32 °FJanuary: average high 52 °F, low 41 °F 52°41° JanFebruary: average high 55 °F, low 41 °F 55°41° FebMarch: average high 58 °F, low 42 °F 58°42° MarApril: average high 62 °F, low 44 °F 62°44° AprMay: average high 68 °F, low 48 °F 68°48° MayJune: average high 73 °F, low 51 °F 73°51° JunJuly: average high 80 °F, low 54 °F 80°54° JulAugust: average high 80 °F, low 55 °F 80°55° AugSeptember: average high 77 °F, low 51 °F 77°51° SepOctober: average high 66 °F, low 47 °F 66°47° OctNovember: average high 56 °F, low 44 °F 56°44° NovDecember: average high 50 °F, low 40 °F 50°40° Dec

Precipitation by month inches

0″2″4″6″8″10″12″14″16″January: 13.41 in precipitation 13.4 JanFebruary: 9.79 in precipitation 9.8 FebMarch: 10.22 in precipitation 10.2 MarApril: 7.22 in precipitation 7.2 AprMay: 3.88 in precipitation 3.9 MayJune: 2.39 in precipitation 2.4 JunJuly: 0.46 in precipitation 0.5 JulAugust: 0.70 in precipitation 0.7 AugSeptember: 2.09 in precipitation 2.1 SepOctober: 6.25 in precipitation 6.3 OctNovember: 12.32 in precipitation 12.3 NovDecember: 15.25 in precipitation 15.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Mapleton, OR (4 mi away); precipitation: Mapleton, OR (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

974939a
Westlake, OR · 10 mi
974809a
Swisshome, OR · 10 mi
974399a
Florence, OR · 11 mi
974908b
Walton, OR · 12 mi
974309a
Deadwood, OR · 14 mi
974679a
Reedsport, OR · 17 mi
974618b
Noti, OR · 19 mi
974739a
Scottsburg, OR · 20 mi

Oregon planting zones →

Questions about 97453

What planting zone is ZIP code 97453?

ZIP code 97453 (Mapleton, OR) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Mapleton, OR?

The median last spring frost (32 °F) near 97453 is February 15; after March 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Mapleton station.

When is the first frost in Mapleton, OR?

The median first fall frost near 97453 is December 9, giving a median frost-free growing season of 306 days.

When should I plant tomatoes in 97453?

Start tomato seeds indoors around Dec 21 – Jan 4 and set transplants outside around Feb 22 – Mar 8, one to three weeks after the median last frost.

How much rain and snow does 97453 get?

About 84 inches of precipitation a year (NOAA 1991–2020 normals, Mapleton station).

How hot do summers get in Mapleton, OR?

The average high peaks at 80 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 97453 have?

The USDA soil survey maps Preacher at the center of ZIP 97453: loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Mapleton, OR in 2026?

Spring leaf-out near 97453 came on Feb 3 in 2026, 8 days earlier than the 1991–2020 average (Feb 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mapleton, OR?

Long-day onions: the longest day near 97453 is 15 h 29 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).