Camas, WA frost dates
How Camas compares
- In 8 years out of 10, the last spring frost in Camas falls between February 18 and April 12, a 53-day window. The first fall frost falls between October 30 and December 17.
- The median last frost is 36 days earlier than the Washington median of Apr 21.
- Its 249-day growing season is longer than 89% of the 491 Washington places with a regular frost season (state median 182 days).
- The last frost is typical for zone 8b, where the median is Mar 16.
- The weather station records an average of 28 nights a year at or below 32°F.
- Camas shares its weather station with Gresham, OR, 12 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 18 |
| 50% (median) | March 16 |
| 10% (safe for tender plants) | April 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 30 |
| 50% (median) | November 20 |
| 90% (late) | December 17 |
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 Camas, WA
Camas, WA frost dates — last frost Mar 16, first frost Nov 20, zone 8b. whenisthelastfrost.com
When to plant vegetables in Camas, WA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 22 – Jan 5 | Feb 16 – Mar 2 | — | — |
| Peppers | Jan 5 – Jan 19 | Mar 30 – Apr 13 | — | — |
| Eggplant | Jan 5 – Jan 19 | Mar 30 – Apr 13 | — | — |
| Tomatoes | Jan 19 – Feb 2 | Mar 23 – Apr 6 | — | — |
| Lettuce | Jan 19 – Feb 2 | Feb 23 – Mar 9 | Feb 16 – Mar 23 | Sep 25 – Oct 23 |
| Kale | Jan 19 – Feb 2 | Feb 16 – Mar 2 | Feb 16 – Mar 2 | Sep 11 – Oct 2 |
| Broccoli | Jan 19 – Feb 2 | Mar 2 – Mar 16 | — | Aug 14 – Sep 4 |
| Cabbage | Jan 19 – Feb 2 | Feb 23 – Mar 9 | — | Aug 14 – Sep 4 |
| Cauliflower | Jan 19 – Feb 2 | Mar 2 – Mar 16 | — | Aug 14 – Sep 4 |
| Okra | Feb 2 – Feb 16 | Apr 6 – Apr 20 | Apr 6 – Apr 20 | — |
| Basil | Feb 2 – Feb 16 | Mar 23 – Apr 6 | — | — |
| Peas | — | — | Feb 2 – Feb 23 | Aug 28 – Sep 18 |
| Spinach | — | — | Feb 2 – Feb 23 | Sep 25 – Oct 16 |
| Radishes | — | — | Feb 9 – Mar 23 | Oct 9 – Oct 30 |
| Cucumbers | Feb 16 – Feb 23 | Mar 30 – Apr 6 | Mar 23 – Apr 6 | Sep 4 – Sep 18 |
| Zucchini & Summer Squash | Feb 16 – Feb 23 | — | Mar 23 – Apr 6 | Sep 11 – Sep 25 |
| Winter Squash & Pumpkins | Feb 16 – Feb 23 | — | Mar 23 – Apr 6 | — |
| Melons & Watermelon | Feb 16 – Feb 23 | Mar 30 – Apr 13 | — | — |
| Carrots | — | — | Feb 23 – Mar 23 | Aug 28 – Sep 11 |
| Beets | — | — | Feb 23 – Mar 23 | Sep 11 – Sep 25 |
| Potatoes | — | — | Feb 23 – Mar 16 | — |
| Swiss Chard | — | — | Mar 2 – Mar 30 | Sep 11 – Sep 25 |
| Cilantro | — | — | Mar 2 – Mar 23 | Sep 25 – Oct 16 |
| Green Beans | — | — | Mar 23 – Apr 13 | Sep 4 – Sep 18 |
| Sweet Corn | — | — | Mar 23 – Apr 6 | — |
| Sweet Potatoes | — | Mar 30 – Apr 20 | — | — |
| Garlic | — | — | — | Nov 6 – Dec 11 |
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 Portland Troutdale Ap, OR weather station, 6 km away (elevation 30 ft (9 m)).
Frost dates near Camas
- Washougal Apr 29 · Oct 22
- Brush Prairie Apr 26 · Oct 16
- Vancouver Apr 26 · Oct 18
- Battle Ground Apr 26 · Oct 16
- Heisson Apr 26 · Oct 16
- Yacolt Apr 26 · Oct 16
- Ridgefield Apr 26 · Oct 18
- North Bonneville Mar 14 · Nov 27
- La Center Apr 26 · Oct 16
- Amboy Apr 26 · Oct 16
Frequently asked questions
When is the last frost in Camas, WA?
The median last spring frost in Camas, WA is March 16. There is still about a 10% chance of frost after April 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Camas, WA?
The median first fall frost is November 20, with about a 10% chance of frost before October 30.
How long is the growing season in Camas, WA?
About 249 days between the median last spring frost and first fall frost.
What planting zone is Camas, WA?
Camas, WA is in USDA hardiness zone 8b.