Eagle Creek, OR frost dates
How Eagle Creek compares
- In 8 years out of 10, the last spring frost in Eagle Creek falls between March 2 and April 23, a 52-day window. The first fall frost falls between October 23 and December 7.
- The median last frost is 20 days earlier than the Oregon median of Apr 16.
- Its 232-day growing season is longer than 78% of the 345 Oregon places with a regular frost season (state median 193 days).
- The last frost is 11 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 40 nights a year at or below 32°F.
- Compared with Gresham, OR, 17 km away, the last frost here is 11 days later than there and the growing season is 17 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 2 |
| 50% (median) | March 27 |
| 10% (safe for tender plants) | April 23 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 23 |
| 50% (median) | November 14 |
| 90% (late) | December 7 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Eagle Creek, OR
Eagle Creek, OR frost dates — last frost Mar 27, first frost Nov 14, zone 8b. whenisthelastfrost.com
When to plant vegetables in Eagle Creek, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 2 – Jan 16 | Feb 27 – Mar 13 | — | — |
| Peppers | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Eggplant | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Tomatoes | Jan 30 – Feb 13 | Apr 3 – Apr 17 | — | — |
| Lettuce | Jan 30 – Feb 13 | Mar 6 – Mar 20 | Feb 27 – Apr 3 | Sep 19 – Oct 17 |
| Kale | Jan 30 – Feb 13 | Feb 27 – Mar 13 | Feb 27 – Mar 13 | Sep 5 – Sep 26 |
| Broccoli | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Aug 8 – Aug 29 |
| Cabbage | Jan 30 – Feb 13 | Mar 6 – Mar 20 | — | Aug 8 – Aug 29 |
| Cauliflower | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Aug 8 – Aug 29 |
| Okra | Feb 13 – Feb 27 | Apr 17 – May 1 | Apr 17 – May 1 | — |
| Basil | Feb 13 – Feb 27 | Apr 3 – Apr 17 | — | — |
| Peas | — | — | Feb 13 – Mar 6 | Aug 22 – Sep 12 |
| Spinach | — | — | Feb 13 – Mar 6 | Sep 19 – Oct 10 |
| Radishes | — | — | Feb 20 – Apr 3 | Oct 3 – Oct 24 |
| Cucumbers | Feb 27 – Mar 6 | Apr 10 – Apr 17 | Apr 3 – Apr 17 | Aug 29 – Sep 12 |
| Zucchini & Summer Squash | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | Sep 5 – Sep 19 |
| Winter Squash & Pumpkins | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | — |
| Melons & Watermelon | Feb 27 – Mar 6 | Apr 10 – Apr 24 | — | — |
| Carrots | — | — | Mar 6 – Apr 3 | Aug 22 – Sep 5 |
| Beets | — | — | Mar 6 – Apr 3 | Sep 5 – Sep 19 |
| Potatoes | — | — | Mar 6 – Mar 27 | — |
| Swiss Chard | — | — | Mar 13 – Apr 10 | Sep 5 – Sep 19 |
| Cilantro | — | — | Mar 13 – Apr 3 | Sep 19 – Oct 10 |
| Green Beans | — | — | Apr 3 – Apr 24 | Aug 29 – Sep 12 |
| Sweet Corn | — | — | Apr 3 – Apr 17 | — |
| Sweet Potatoes | — | Apr 10 – May 1 | — | — |
| Garlic | — | — | — | Oct 31 – Dec 5 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Estacada 2 Se, OR weather station, 10 km away (elevation 515 ft (157 m)).
Frost dates near Eagle Creek
- Estacada Mar 27 · Nov 14
- Boring Mar 16 · Nov 20
- Sandy Mar 27 · Nov 18
- Damascus Mar 18 · Nov 18
- Beavercreek Mar 16 · Nov 19
- Clackamas Mar 18 · Nov 18
- Gresham Mar 16 · Nov 20
- Oregon City Mar 18 · Nov 18
- Happy Valley Mar 18 · Nov 18
- Troutdale Mar 26 · Nov 17
Frequently asked questions
When is the last frost in Eagle Creek, OR?
The median last spring frost in Eagle Creek, OR is March 27. There is still about a 10% chance of frost after April 23, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Eagle Creek, OR?
The median first fall frost is November 14, with about a 10% chance of frost before October 23.
How long is the growing season in Eagle Creek, OR?
About 232 days between the median last spring frost and first fall frost.
What planting zone is Eagle Creek, OR?
Eagle Creek, OR is in USDA hardiness zone 8b.