Planting zones by state
Oregon Planting Zones
Oregon runs from zone 5b to zone 9b on the 2023 USDA map. Zone 8b is the most common, covering 40% of the state's ZIP codes. Portland is 8b, Eugene is 8b and Bend is 6b.
Zones across Oregon
| Zone | Average coldest night | Share of Oregon ZIP codes |
|---|---|---|
| 5b | −15 to −10°F | under 1% |
| 6a | −10 to −5°F | 6% |
| 6b | −5 to 0°F | 13% |
| 7a | 0 to 5°F | 8% |
| 7b | 5 to 10°F | 4% |
| 8a | 10 to 15°F | 3% |
| 8b | 15 to 20°F | 40% |
| 9a | 20 to 25°F | 24% |
| 9b | 25 to 30°F | 3% |
Planting zone for every city and town in Oregon
Each Oregon town uses the ZIP code at its center. Big towns can cross into the next half-zone, so look up your own ZIP if you're near a line.
| City | Zone | Average coldest night |
|---|---|---|
| Adair Village | 8b | 15 to 20°F |
| Adams | 7a | 0 to 5°F |
| Adrian | 7a | 0 to 5°F |
| Albany | 8b | 15 to 20°F |
| Amity | 8b | 15 to 20°F |
| Antelope | 6b | −5 to 0°F |
| Arlington | 7b | 5 to 10°F |
| Ashland | 8a | 10 to 15°F |
| Astoria | 8b | 15 to 20°F |
| Athena | 7a | 0 to 5°F |
| Aumsville | 8b | 15 to 20°F |
| Aurora | 8b | 15 to 20°F |
| Baker City | 6b | −5 to 0°F |
| Bandon | 9b | 25 to 30°F |
| Banks | 8b | 15 to 20°F |
| Barlow | 8b | 15 to 20°F |
| Bay City | 9a | 20 to 25°F |
| Beaverton | 9a | 20 to 25°F |
| Bend | 6b | −5 to 0°F |
| Boardman | 7b | 5 to 10°F |
| Bonanza | 6b | −5 to 0°F |
| Brookings | 9b | 25 to 30°F |
| Brownsville | 8b | 15 to 20°F |
| Burns | 6a | −10 to −5°F |
| Butte Falls | 8a | 10 to 15°F |
| Canby | 8b | 15 to 20°F |
| Cannon Beach | 9a | 20 to 25°F |
| Canyon City | 6b | −5 to 0°F |
| Canyonville | 8b | 15 to 20°F |
| Carlton | 8b | 15 to 20°F |
| Cascade Locks | 8a | 10 to 15°F |
| Cave Junction | 8b | 15 to 20°F |
| Central Point | 8b | 15 to 20°F |
| Chiloquin | 6b | −5 to 0°F |
| Clatskanie | 8b | 15 to 20°F |
| Coburg | 8b | 15 to 20°F |
| Columbia City | 8b | 15 to 20°F |
| Condon | 7a | 0 to 5°F |
| Coos Bay | 9a | 20 to 25°F |
| Coquille | 9a | 20 to 25°F |
| Cornelius | 8b | 15 to 20°F |
| Corvallis | 8b | 15 to 20°F |
| Cottage Grove | 8b | 15 to 20°F |
| Cove | 6b | −5 to 0°F |
| Creswell | 8b | 15 to 20°F |
| Culver | 7a | 0 to 5°F |
| Dallas | 8b | 15 to 20°F |
| Dayton | 8b | 15 to 20°F |
| Dayville | 7a | 0 to 5°F |
| Depoe Bay | 9a | 20 to 25°F |
| Detroit | 8b | 15 to 20°F |
| Donald | 8b | 15 to 20°F |
| Drain | 8b | 15 to 20°F |
| Dufur | 7b | 5 to 10°F |
| Dundee | 8b | 15 to 20°F |
| Dunes City | 9a | 20 to 25°F |
| Durham | 9a | 20 to 25°F |
| Eagle Point | 8a | 10 to 15°F |
| Echo | 7a | 0 to 5°F |
| Elgin | 6b | −5 to 0°F |
| Elkton | 9a | 20 to 25°F |
| Enterprise | 6a | −10 to −5°F |
| Estacada | 8a | 10 to 15°F |
| Eugene | 8b | 15 to 20°F |
| Fairview | 9a | 20 to 25°F |
| Falls City | 8b | 15 to 20°F |
| Florence | 9a | 20 to 25°F |
| Forest Grove | 8b | 15 to 20°F |
| Fossil | 7a | 0 to 5°F |
| Garibaldi | 9a | 20 to 25°F |
| Gaston | 8b | 15 to 20°F |
| Gates | 8b | 15 to 20°F |
| Gearhart | 9a | 20 to 25°F |
| Gervais | 8b | 15 to 20°F |
| Gladstone | 9a | 20 to 25°F |
| Glendale | 8b | 15 to 20°F |
| Gold Beach | 9b | 25 to 30°F |
| Gold Hill | 8b | 15 to 20°F |
| Granite | 6b | −5 to 0°F |
| Grants Pass | 8b | 15 to 20°F |
| Grass Valley | 7a | 0 to 5°F |
| Greenhorn | 6b | −5 to 0°F |
| Gresham | 9a | 20 to 25°F |
| Haines | 6a | −10 to −5°F |
| Halfway | 6b | −5 to 0°F |
| Halsey | 8b | 15 to 20°F |
| Happy Valley | 8b | 15 to 20°F |
| Harrisburg | 8b | 15 to 20°F |
| Helix | 7a | 0 to 5°F |
| Heppner | 7a | 0 to 5°F |
| Hermiston | 7b | 5 to 10°F |
| Hillsboro | 8b | 15 to 20°F |
| Hines | 6a | −10 to −5°F |
| Hood River | 7b | 5 to 10°F |
| Hubbard | 8b | 15 to 20°F |
| Huntington | 7a | 0 to 5°F |
| Idanha | 7b | 5 to 10°F |
| Imbler | 6b | −5 to 0°F |
| Independence | 8b | 15 to 20°F |
| Ione | 7b | 5 to 10°F |
| Irrigon | 7b | 5 to 10°F |
| Island City | 6b | −5 to 0°F |
| Jacksonville | 8b | 15 to 20°F |
| Jefferson | 8b | 15 to 20°F |
| John Day | 6b | −5 to 0°F |
| Johnson City | 9a | 20 to 25°F |
| Jordan Valley | 6b | −5 to 0°F |
| Joseph | 6a | −10 to −5°F |
| Junction City | 8b | 15 to 20°F |
| Keizer | 8b | 15 to 20°F |
| King City | 9a | 20 to 25°F |
| Klamath Falls | 6b | −5 to 0°F |
| La Grande | 6b | −5 to 0°F |
| La Pine | 6b | −5 to 0°F |
| Lafayette | 8b | 15 to 20°F |
| Lake Oswego | 9a | 20 to 25°F |
| Lakeside | 9a | 20 to 25°F |
| Lakeview | 6b | −5 to 0°F |
| Lebanon | 8b | 15 to 20°F |
| Lexington | 7a | 0 to 5°F |
| Lincoln City | 9a | 20 to 25°F |
| Lonerock | 7a | 0 to 5°F |
| Long Creek | 6b | −5 to 0°F |
| Lostine | 6a | −10 to −5°F |
| Lowell | 9a | 20 to 25°F |
| Lyons | 8b | 15 to 20°F |
| Madras | 7a | 0 to 5°F |
| Malin | 6b | −5 to 0°F |
| Manzanita | 9a | 20 to 25°F |
| Maupin | 7a | 0 to 5°F |
| Maywood Park | 9a | 20 to 25°F |
| McMinnville | 8b | 15 to 20°F |
| Medford | 8b | 15 to 20°F |
| Merrill | 6b | −5 to 0°F |
| Metolius | 7a | 0 to 5°F |
| Mill City | 8b | 15 to 20°F |
| Millersburg | 8b | 15 to 20°F |
| Milton-Freewater | 7a | 0 to 5°F |
| Milwaukie | 9a | 20 to 25°F |
| Mitchell | 7a | 0 to 5°F |
| Molalla | 8b | 15 to 20°F |
| Monmouth | 8b | 15 to 20°F |
| Monroe | 8b | 15 to 20°F |
| Monument | 7a | 0 to 5°F |
| Moro | 7a | 0 to 5°F |
| Mosier | 7b | 5 to 10°F |
| Mount Angel | 8b | 15 to 20°F |
| Mount Vernon | 6b | −5 to 0°F |
| Myrtle Creek | 8b | 15 to 20°F |
| Myrtle Point | 9a | 20 to 25°F |
| Nehalem | 9a | 20 to 25°F |
| Newberg | 8b | 15 to 20°F |
| Newport | 9b | 25 to 30°F |
| North Bend | 9a | 20 to 25°F |
| North Plains | 8b | 15 to 20°F |
| North Powder | 6b | −5 to 0°F |
| Nyssa | 7a | 0 to 5°F |
| Oakland | 8b | 15 to 20°F |
| Oakridge | 8b | 15 to 20°F |
| Ontario | 7a | 0 to 5°F |
| Oregon City | 9a | 20 to 25°F |
| Paisley | 6b | −5 to 0°F |
| Pendleton | 7a | 0 to 5°F |
| Philomath | 8b | 15 to 20°F |
| Phoenix | 8b | 15 to 20°F |
| Pilot Rock | 6b | −5 to 0°F |
| Port Orford | 9b | 25 to 30°F |
| Portland | 8b | 15 to 20°F |
| Powers | 9a | 20 to 25°F |
| Prairie City | 6b | −5 to 0°F |
| Prescott | 8b | 15 to 20°F |
| Prineville | 6b | −5 to 0°F |
| Rainier | 8b | 15 to 20°F |
| Redmond | 6b | −5 to 0°F |
| Reedsport | 9a | 20 to 25°F |
| Richland | 6b | −5 to 0°F |
| Riddle | 8b | 15 to 20°F |
| Rivergrove | 9a | 20 to 25°F |
| Rockaway Beach | 9a | 20 to 25°F |
| Rogue River | 8b | 15 to 20°F |
| Roseburg | 8b | 15 to 20°F |
| Rufus | 8a | 10 to 15°F |
| Salem | 8b | 15 to 20°F |
| Sandy | 8b | 15 to 20°F |
| Scappoose | 8b | 15 to 20°F |
| Scio | 8b | 15 to 20°F |
| Scotts Mills | 8b | 15 to 20°F |
| Seaside | 9a | 20 to 25°F |
| Seneca | 5b | −15 to −10°F |
| Shady Cove | 8a | 10 to 15°F |
| Shaniko | 6b | −5 to 0°F |
| Sheridan | 8b | 15 to 20°F |
| Sherwood | 8b | 15 to 20°F |
| Siletz | 9a | 20 to 25°F |
| Silverton | 8b | 15 to 20°F |
| Sisters | 6b | −5 to 0°F |
| Sodaville | 8b | 15 to 20°F |
| Spray | 7a | 0 to 5°F |
| Springfield | 8b | 15 to 20°F |
| St. Helens | 8b | 15 to 20°F |
| St. Paul | 8b | 15 to 20°F |
| Stanfield | 7a | 0 to 5°F |
| Stayton | 8b | 15 to 20°F |
| Sublimity | 8b | 15 to 20°F |
| Summerville | 6b | −5 to 0°F |
| Sumpter | 6b | −5 to 0°F |
| Sutherlin | 8b | 15 to 20°F |
| Sweet Home | 8b | 15 to 20°F |
| Talent | 8b | 15 to 20°F |
| Tangent | 8b | 15 to 20°F |
| The Dalles | 7b | 5 to 10°F |
| Tigard | 9a | 20 to 25°F |
| Tillamook | 9a | 20 to 25°F |
| Toledo | 9a | 20 to 25°F |
| Troutdale | 9a | 20 to 25°F |
| Tualatin | 9a | 20 to 25°F |
| Turner | 8b | 15 to 20°F |
| Ukiah | 6b | −5 to 0°F |
| Umatilla | 7b | 5 to 10°F |
| Union | 6b | −5 to 0°F |
| Unity | 6a | −10 to −5°F |
| Vale | 7a | 0 to 5°F |
| Veneta | 8b | 15 to 20°F |
| Vernonia | 8a | 10 to 15°F |
| Waldport | 9a | 20 to 25°F |
| Wallowa | 6b | −5 to 0°F |
| Warrenton | 9a | 20 to 25°F |
| Wasco | 7b | 5 to 10°F |
| Waterloo | 8b | 15 to 20°F |
| West Linn | 9a | 20 to 25°F |
| Westfir | 8b | 15 to 20°F |
| Weston | 7a | 0 to 5°F |
| Wheeler | 9a | 20 to 25°F |
| Willamina | 8b | 15 to 20°F |
| Wilsonville | 8b | 15 to 20°F |
| Winston | 9a | 20 to 25°F |
| Wood Village | 9a | 20 to 25°F |
| Woodburn | 8b | 15 to 20°F |
| Yachats | 9a | 20 to 25°F |
| Yamhill | 8b | 15 to 20°F |
| Yoncalla | 8b | 15 to 20°F |
Source: USDA Plant Hardiness Zone Map, 2023, Agricultural Research Service, U.S. Department of Agriculture; ZIP code table from the PRISM Group, Oregon State University (accessed Oct 2026). This list is our own summary, not the official USDA map. See how we calculate.
Frequently asked questions
What planting zone is Oregon?
Oregon spans zones 5b to 9b on the 2023 USDA map, and zone 8b is the most common. Look up your ZIP code for your exact zone.
What zone is Portland, OR?
Portland is zone 8b, where the coldest night of an average winter falls from 15 to 20°F. Plants rated hardy to zone 8 or colder should survive a typical winter there.
More for Oregon: Oregon climate zones (insulation) · Last frost dates in Oregon · Frost line depth by state