Malo, WA frost dates
How Malo compares
- In 8 years out of 10, the last spring frost in Malo falls between May 11 and June 17, a 37-day window. The first fall frost falls between August 28 and September 25.
- The median last frost is 39 days later than the Washington median of Apr 21.
- Its 103-day growing season is among the shortest of the 491 Washington places with a regular frost season.
- The last frost is 31 days later than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 188 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 11 |
| 50% (median) | May 30 |
| 10% (safe for tender plants) | June 17 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | August 28 |
| 50% (median) | September 10 |
| 90% (late) | September 25 |
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 Malo, WA
Malo, WA frost dates — last frost May 30, first frost Sep 10, zone 6a. whenisthelastfrost.com
When to plant vegetables in Malo, WA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 7 – Mar 21 | May 2 – May 16 | — | — |
| Peppers | Mar 21 – Apr 4 | Jun 13 – Jun 27 | — | — |
| Eggplant | Mar 21 – Apr 4 | Jun 13 – Jun 27 | — | — |
| Tomatoes | Apr 4 – Apr 18 | Jun 6 – Jun 20 | — | — |
| Lettuce | Apr 4 – Apr 18 | May 9 – May 23 | May 2 – Jun 6 | Jul 16 – Aug 13 |
| Kale | Apr 4 – Apr 18 | May 2 – May 16 | May 2 – May 16 | Jul 2 – Jul 23 |
| Broccoli | Apr 4 – Apr 18 | May 16 – May 30 | — | — |
| Cabbage | Apr 4 – Apr 18 | May 9 – May 23 | — | — |
| Cauliflower | Apr 4 – Apr 18 | May 16 – May 30 | — | — |
| Okra | Apr 18 – May 2 | Jun 20 – Jul 4 | Jun 20 – Jul 4 | — |
| Basil | Apr 18 – May 2 | Jun 6 – Jun 20 | — | — |
| Peas | — | — | Apr 18 – May 9 | Jun 18 – Jul 9 |
| Spinach | — | — | Apr 18 – May 9 | Jul 16 – Aug 6 |
| Radishes | — | — | Apr 25 – Jun 6 | Jul 30 – Aug 20 |
| Cucumbers | May 2 – May 9 | Jun 13 – Jun 20 | Jun 6 – Jun 20 | — |
| Zucchini & Summer Squash | May 2 – May 9 | — | Jun 6 – Jun 20 | — |
| Winter Squash & Pumpkins Warning: Your frost-free season is about 103 days, which is tight for winter squash & pumpkins (100+ days). Choose early varieties and use transplants or row covers. | May 2 – May 9 | — | Jun 6 – Jun 20 | — |
| Melons & Watermelon | May 2 – May 9 | Jun 13 – Jun 27 | — | — |
| Carrots | — | — | May 9 – Jun 6 | — |
| Beets | — | — | May 9 – Jun 6 | Jul 2 – Jul 16 |
| Potatoes | — | — | May 9 – May 30 | — |
| Swiss Chard | — | — | May 16 – Jun 13 | Jul 2 – Jul 16 |
| Cilantro | — | — | May 16 – Jun 6 | Jul 16 – Aug 6 |
| Green Beans | — | — | Jun 6 – Jun 27 | — |
| Sweet Corn | — | — | Jun 6 – Jun 20 | — |
| Sweet Potatoes Warning: Your frost-free season is about 103 days, which is tight for sweet potatoes (100+ days). Choose early varieties and use transplants or row covers. | — | Jun 13 – Jul 4 | — | — |
| Garlic | — | — | — | Aug 27 – Oct 1 |
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 Republic, WA weather station, 21 km away (elevation 2,556 ft (779 m)).
Frost dates near Malo
- Curlew May 30 · Sep 10
- Republic May 30 · Sep 10
- Danville May 30 · Sep 10
- Wauconda May 6 · Oct 6
- Orient May 8 · Oct 1
- Boyds May 8 · Oct 1
- Laurier May 8 · Oct 1
- Marcus May 2 · Oct 2
- Kettle Falls May 2 · Oct 2
- Evans May 2 · Oct 2
Frequently asked questions
When is the last frost in Malo, WA?
The median last spring frost in Malo, WA is May 30. There is still about a 10% chance of frost after June 17, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Malo, WA?
The median first fall frost is September 10, with about a 10% chance of frost before August 28.
How long is the growing season in Malo, WA?
About 103 days between the median last spring frost and first fall frost.
What planting zone is Malo, WA?
Malo, WA is in USDA hardiness zone 6a.