Frost dates by location
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Burns | 5b | Jun 11 | Sep 6 | 87 |
| Eugene | 8b | Apr 11 | Oct 23 | 195 |
| Medford | 8b | Apr 8 | Oct 29 | 204 |
| Portland | 9a | Mar 13 | Nov 19 | 251 |
| Salem | 8b | Apr 15 | Nov 1 | 200 |
| Gresham | 8b | Apr 7 | Nov 6 | 213 |
| Hillsboro | 8b | Apr 5 | Nov 4 | 213 |
| Beaverton | 8b | Mar 20 | Nov 15 | 240 |
| Bend | 6b | Jun 1 | Sep 21 | 112 |
Zones in Oregon
Bottom line: a statewide planting date is a compromise nobody's garden actually
lives at. Oregon's last-frost spread is
90 days wide. Use the location nearest you.
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