When to plant in Oregon
Most of Oregon sees its last spring frost between Mar 9 and Jun 2, and its first fall frost between Sep 18 and Nov 30. The middle of the state is around April 12 and October 29: that's what the dates below use.
Hardiness zones in Oregon: 6a (6%), 6b (13%), 7a (8%), 7b (4%), 8a (3%), 8b (40%), 9a (24%), 9b (2%).
Planting dates for common crops
| Crop | Start indoors | Plant outside | Harvest | Plant for fall |
|---|---|---|---|---|
| Tomato | Mar 17 | May 5 – May 19 | Jul 14 – Oct 6 | — |
| Pepper | Mar 3 | May 5 – May 19 | Jul 19 – Oct 11 | — |
| Cucumber | — | May 5 – May 19 | Jun 29 – Aug 17 | — |
| Zucchini / Summer squash | — | May 5 – May 19 | Jun 24 – Sep 2 | — |
| Winter squash | — | May 5 – May 19 | Aug 8 – Sep 12 | — |
| Green beans (bush) | — | May 5 – May 19 | Jun 29 – Aug 10 | — |
| Peas | — | Mar 1 – Mar 15 | Apr 30 – Jun 4 | Aug 9 – Aug 23 |
| Sweet corn | — | May 5 – May 19 | Jul 19 – Aug 16 | — |
| Lettuce | — | Mar 15 – Mar 29 | Apr 29 – Jun 10 | Aug 31 – Sep 14 |
| Spinach | — | Mar 1 – Mar 15 | Apr 10 – May 22 | Sep 19 – Oct 3 |
| Kale | Feb 1 | Mar 15 – Mar 29 | May 9 – Aug 1 | Sep 18 – Oct 2 |
| Broccoli | Feb 8 | Mar 22 – Apr 5 | May 21 – Jun 25 | Aug 23 – Sep 6 |
| Cabbage | Feb 1 | Mar 15 – Mar 29 | May 24 – Jun 28 | Aug 20 – Sep 3 |
| Carrot | — | Mar 22 – Apr 5 | May 31 – Jul 12 | Aug 20 – Sep 3 |
| Beet | — | Mar 22 – Apr 5 | May 16 – Jun 27 | Aug 28 – Sep 11 |
| Radish | — | Mar 8 – Mar 22 | Apr 2 – Apr 30 | Sep 20 – Oct 4 |
| Onion (sets) | — | Mar 8 – Mar 22 | Jun 16 – Jul 21 | — |
| Garlic | — | Oct 22 – Nov 12 (fall) | Jun 7 – Jun 28 next year | — |
| Potato | — | Mar 22 – Apr 5 | Jun 20 – Jul 25 | — |
| Sweet potato | Mar 24 | May 5 – May 19 | Aug 13 – Sep 10 | — |
| Watermelon | — | May 5 – May 19 | Jul 29 – Sep 2 | — |
| Basil | Mar 24 | May 5 – May 19 | Jun 4 – Sep 10 | — |
| Strawberry (June-bearing) | — | Mar 22 – Apr 5 | May 10 – Jun 7 (once established) | — |
| Sunflower | — | May 5 – May 19 | Jul 24 – Aug 28 | — |
Dates for a typical spot in Oregon. Colder and higher places plant later, warmer ones earlier: enter your ZIP code for yours, or see the calendar for your zone.
Frost dates around Oregon
| Place | Zone | Last frost | First frost |
|---|---|---|---|
| Portland | 9a | Mar 13 | Nov 19 |
| Salem | 8b | Apr 3 | Nov 1 |
| Beaverton | 9a | Apr 1 | Nov 6 |
| Eugene | 8b | Apr 11 | Oct 23 |
| Bend | 6b | Jun 6 | Sep 20 |
| Corvallis | 8b | Apr 17 | Oct 28 |
| Grants Pass | 8b | Apr 8 | Oct 28 |
| Klamath Falls | 6b | Jun 9 | Sep 18 |
| Albany | 8b | Apr 17 | Oct 28 |
| Gresham | 9a | Mar 16 | Nov 20 |
Average dates from the nearest NOAA weather stations (1991–2020). Click a place for its full planting calendar.