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

Oregon planting zones

Oregon spans USDA zones 5b to 9b on the 2023 map; the most common is 8b. The typical last spring frost is around Apr 11 and the first fall frost around Oct 30.

Zone map of Oregon

Outside Oregon is dimmed · 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.

ZIP codes per zone

5b−15 to −10 °F16a−10 to −5 °F276b−5 to 0 °F627a0 to 5 °F377b5 to 10 °F178a10 to 15 °F148b15 to 20 °F1899a20 to 25 °F1159b25 to 30 °F11

At a glance

ZIP codes473
Zones5b–9b
Typical last frostApr 11
Typical first frostOct 30

Largest cities in Oregon

Portland8b 9a
Last frost Feb 25 · first Dec 1 · 59 ZIPs
Salem8b
Last frost Apr 3 · first Nov 1 · 12 ZIPs
Beaverton8b 9a
Last frost Feb 11 · first Dec 5 · 10 ZIPs
Eugene8b
Last frost Apr 11 · first Oct 23 · 7 ZIPs
Bend6a 6b
Last frost Jun 6 · first Sep 20 · 6 ZIPs
Corvallis8b
Last frost Apr 17 · first Oct 28 · 4 ZIPs
Grants Pass8b
Last frost Apr 8 · first Oct 28 · 3 ZIPs
Hillsboro8b
Last frost Apr 16 · first Oct 23 · 3 ZIPs
Klamath Falls6b 7a
Last frost Jun 9 · first Sep 18 · 3 ZIPs
Albany8b
Last frost Apr 17 · first Oct 28 · 2 ZIPs
Gresham8b 9a
Last frost Mar 16 · first Nov 20 · 2 ZIPs
Lake Oswego9a
Last frost Mar 18 · first Nov 18 · 2 ZIPs

Oregon extremes

From the 2023 zone data and NOAA 1991–2020 normals of the nearest station. One entry per town.

Mildest winters

highest zone

  1. Pacific City 971359b
  2. Newport 973659b
  3. South Beach 973669b
  4. Gleneden Beach 973889b
  5. Bandon 974119b
  6. Brookings 974159b

Coldest winters

lowest zone

  1. Seneca 978735b
  2. Beatty 976216a
  3. Chiloquin 976246a
  4. Silver Lake 976386a
  5. Sprague River 976396a
  6. Christmas Valley 976416a

Longest growing season

median frost-free days

  1. Gold Beach 97444314 d
  2. Ophir 97464314 d
  3. South Beach 97366306 d
  4. Seal Rock 97376306 d
  5. Toledo 97391306 d
  6. Deadwood 97430306 d

Shortest growing season

median frost-free days

  1. Enterprise 9782884 d
  2. Imnaha 9784284 d
  3. Burns 9772085 d
  4. Hines 9773885 d
  5. Arock 9790288 d
  6. Jordan Valley 9791088 d

Wettest

precipitation per year

  1. Rhododendron 97049124.2 in
  2. Arch Cape 97102121.3 in
  3. Seaside 97138121.3 in
  4. Tolovana Park 97145121.3 in
  5. Wedderburn 97491118.3 in
  6. Port Orford 97465116.3 in

Snowiest

snowfall per year

  1. Crater Lake 97604463 in
  2. Government Camp 97028233 in
  3. Gilchrist 97737191 in
  4. Meacham 97859113 in
  5. Detroit 9734285 in
  6. Idanha 9735085 in

Hottest summers

days at 90 °F or more

  1. Cave Junction 9752373 d
  2. Kerby 9753173 d
  3. O Brien 9753473 d
  4. Selma 9753873 d
  5. Kimberly 9784871 d
  6. Monument 9786471 d

All places in Oregon

A

Adams · Adel · Adrian · Agness · Albany · Allegany · Alsea · Alvadore · Amity · Antelope · Arch Cape · Arlington · Arock · Ashland · Ashwood · Astoria · Athena · Aumsville · Aurora · Azalea

B

Baker City · Bandon · Banks · Bates · Bay City · Beatty · Beaver · Beavercreek · Beaverton · Bend · Blachly · Blodgett · Blue River · Bly · Boardman · Bonanza · Boring · Bridgeport · Brightwood · Broadbent · Brogan · Brookings · Brothers · Brownsville · Burns · Butte Falls · Buxton

C

Camas Valley · Camp Sherman · Canby · Cannon Beach · Canyon City · Canyonville · Carlton · Cascade Locks · Cascadia · Cave Junction · Central Point · Chemult · Cheshire · Chiloquin · Christmas Valley · Clackamas · Clatskanie · Cloverdale · Colton · Columbia City · Condon · Coos Bay · Coquille · Corbett · Cornelius · Corvallis · Cottage Grove · Cove · Crabtree · Crane · Crater Lake · Crawfordsville · Crescent · Creswell · Culver

D

Dairy · Dallas · Damascus · Days Creek · Dayton · Dayville · Deadwood · Deer Island · Depoe Bay · Detroit · Dexter · Diamond · Donald · Dorena · Drain · Drewsey · Dufur · Dundee · Durkee

E

Eagle Creek · Eagle Point · Echo · Eddyville · Elgin · Elkton · Elmira · Enterprise · Estacada · Eugene

F

Fairview · Fall Creek · Falls City · Fields · Florence · Forest Grove · Fort Klamath · Fort Rock · Fossil · Foster · Frenchglen

G

Gales Creek · Gardiner · Garibaldi · Gaston · Gates · Gervais · Gilchrist · Gladstone · Glendale · Gleneden Beach · Glide · Gold Beach · Gold Hill · Government Camp · Grand Ronde · Grants Pass · Grass Valley · Gresham

H

Haines · Halfway · Halsey · Hammond · Happy Valley · Harper · Harrisburg · Hebo · Helix · Heppner · Hereford · Hermiston · Hillsboro · Hines · Hood River · Hubbard · Huntington

I

Idanha · Idleyld Park · Imbler · Imnaha · Independence · Ione · Ironside · Irrigon

J

Jacksonville · Jamieson · Jefferson · John Day · Jordan Valley · Joseph · Junction City · Juntura

K

Keizer · Keno · Kent · Kerby · Kimberly · Klamath Falls

L

La Grande · La Pine · Lafayette · Lake Oswego · Lakeside · Lakeview · Langlois · Lebanon · Lexington · Lincoln City · Logsden · Long Creek · Lorane · Lostine · Lowell · Lyons

M

Madras · Malin · Manning · Manzanita · Mapleton · Marcola · Marylhurst · Maupin · Mcminnville · Meacham · Medford · Mehama · Merlin · Merrill · Midland · Mikkalo · Mill City · Milton Freewater · Mitchell · Molalla · Monmouth · Monroe · Monument · Moro · Mosier · Mount Angel · Mount Hood Parkdale · Mount Vernon · Mulino · Myrtle Creek · Myrtle Point

N

Nehalem · Neotsu · Neskowin · Netarts · New Pine Creek · Newberg · Newport · North Bend · North Plains · North Powder · Noti · Nyssa

O

O Brien · Oakland · Oakridge · Oceanside · Ontario · Ophir · Oregon City · Otis · Otter Rock · Oxbow

P

Pacific City · Paisley · Paulina · Pendleton · Philomath · Phoenix · Pilot Rock · Pleasant Hill · Plush · Port Orford · Portland · Post · Powell Butte · Powers · Prairie City · Princeton · Prineville · Prospect

R

Rainier · Redmond · Reedsport · Rhododendron · Richland · Rickreall · Riddle · Riley · Riverside · Rockaway Beach · Rogue River · Roseburg · Rufus

S

Saint Benedict · Saint Helens · Saint Paul · Salem · Sandy · Scappoose · Scio · Scotts Mills · Scottsburg · Seal Rock · Seaside · Selma · Seneca · Shady Cove · Shaniko · Shedd · Sheridan · Sherwood · Siletz · Silver Lake · Silverton · Sisters · Sixes · South Beach · Sprague River · Spray · Springfield · Stanfield · Stayton · Sublimity · Summer Lake · Summerville · Sumpter · Sutherlin · Sweet Home · Swisshome

T

Talent · Tangent · Tenmile · Terrebonne · The Dalles · Tidewater · Tillamook · Tiller · Timber · Toledo · Tolovana Park · Trail · Troutdale · Tualatin · Turner · Tygh Valley

U

Ukiah · Umatilla · Umpqua · Union · Unity

V

Vale · Veneta · Vernonia · Vida

W

Waldport · Wallowa · Walterville · Walton · Warm Springs · Warren · Warrenton · Wasco · Wedderburn · Welches · West Linn · Westfall · Westfir · Westlake · Weston · Wheeler · White City · Wilbur · Wilderville · Willamina · Williams · Wilsonville · Winchester · Winston · Wolf Creek · Woodburn

Y

Yachats · Yamhill · Yoncalla

Questions

What planting zones are in Oregon?

Oregon spans USDA hardiness zones 5b to 9b on the 2023 map. The most common zone is 8b (189 of 473 ZIP codes).

When is the last frost in Oregon?

Across Oregon, the median last spring frost ranges from about Feb 11 to Jun 11 depending on location; the typical ZIP code sees it around Apr 11. Look up your ZIP code for a local date.