Lyle, WA frost dates
Last spring frostMay 12median date
First fall frostOct 11median date
Growing season152 daysfrost-free
Hardiness zone7bZone 7b
How Lyle compares
- In 8 years out of 10, the last spring frost in Lyle falls between April 25 and June 7, a 43-day window. The first fall frost falls between September 24 and October 28.
- The median last frost is 21 days later than the Washington median of Apr 21.
- Its 152-day growing season is longer than 19% of the 491 Washington places with a regular frost season (state median 182 days).
- The last frost is 37 days later than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 141 nights a year at or below 32°F.
- Compared with Gresham, OR, 95 km away, the last frost here is 57 days later than there and the growing season is 97 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 25 |
| 50% (median) | May 12 |
| 10% (safe for tender plants) | June 7 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 11 |
| 90% (late) | October 28 |
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 Lyle, WA
Lyle, WA frost dates — last frost May 12, first frost Oct 11, zone 7b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Feb 17 to Mar 3Transplant outside: Apr 14 to Apr 28
Start indoors: Mar 3 to Mar 17Transplant outside: May 26 to Jun 9
Start indoors: Mar 3 to Mar 17Transplant outside: May 26 to Jun 9
Start indoors: Mar 17 to Mar 31Transplant outside: May 19 to Jun 2
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 21 to May 5Sow outdoors: Apr 14 to May 19Plant for fall: Aug 16 to Sep 13
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 14 to Apr 28Sow outdoors: Apr 14 to Apr 28Plant for fall: Aug 2 to Aug 23
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 28 to May 12Plant for fall: Jul 5 to Jul 26
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 21 to May 5Plant for fall: Jul 5 to Jul 26
Start indoors: Mar 17 to Mar 31Transplant outside: Apr 28 to May 12Plant for fall: Jul 5 to Jul 26
Start indoors: Mar 31 to Apr 14Transplant outside: Jun 2 to Jun 16Sow outdoors: Jun 2 to Jun 16
Start indoors: Mar 31 to Apr 14Transplant outside: May 19 to Jun 2
Sow outdoors: Mar 31 to Apr 21Plant for fall: Jul 19 to Aug 9
Sow outdoors: Mar 31 to Apr 21Plant for fall: Aug 16 to Sep 6
Sow outdoors: Apr 7 to May 19Plant for fall: Aug 30 to Sep 20
Start indoors: Apr 14 to Apr 21Transplant outside: May 26 to Jun 2Sow outdoors: May 19 to Jun 2Plant for fall: Jul 26 to Aug 9
Start indoors: Apr 14 to Apr 21Sow outdoors: May 19 to Jun 2Plant for fall: Aug 2 to Aug 16
Start indoors: Apr 14 to Apr 21Sow outdoors: May 19 to Jun 2
Start indoors: Apr 14 to Apr 21Transplant outside: May 26 to Jun 9
Sow outdoors: Apr 21 to May 19Plant for fall: Jul 19 to Aug 2
Sow outdoors: Apr 21 to May 19Plant for fall: Aug 2 to Aug 16
Sow outdoors: Apr 21 to May 12
Sow outdoors: Apr 28 to May 26Plant for fall: Aug 2 to Aug 16
Sow outdoors: Apr 28 to May 19Plant for fall: Aug 16 to Sep 6
Sow outdoors: May 19 to Jun 9Plant for fall: Jul 26 to Aug 9
Sow outdoors: May 19 to Jun 2
Transplant outside: May 26 to Jun 16
Plant for fall: Sep 27 to Nov 1
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Lyle, WA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 17 – Mar 3 | Apr 14 – Apr 28 | — | — |
| Peppers | Mar 3 – Mar 17 | May 26 – Jun 9 | — | — |
| Eggplant | Mar 3 – Mar 17 | May 26 – Jun 9 | — | — |
| Tomatoes | Mar 17 – Mar 31 | May 19 – Jun 2 | — | — |
| Lettuce | Mar 17 – Mar 31 | Apr 21 – May 5 | Apr 14 – May 19 | Aug 16 – Sep 13 |
| Kale | Mar 17 – Mar 31 | Apr 14 – Apr 28 | Apr 14 – Apr 28 | Aug 2 – Aug 23 |
| Broccoli | Mar 17 – Mar 31 | Apr 28 – May 12 | — | Jul 5 – Jul 26 |
| Cabbage | Mar 17 – Mar 31 | Apr 21 – May 5 | — | Jul 5 – Jul 26 |
| Cauliflower | Mar 17 – Mar 31 | Apr 28 – May 12 | — | Jul 5 – Jul 26 |
| Okra | Mar 31 – Apr 14 | Jun 2 – Jun 16 | Jun 2 – Jun 16 | — |
| Basil | Mar 31 – Apr 14 | May 19 – Jun 2 | — | — |
| Peas | — | — | Mar 31 – Apr 21 | Jul 19 – Aug 9 |
| Spinach | — | — | Mar 31 – Apr 21 | Aug 16 – Sep 6 |
| Radishes | — | — | Apr 7 – May 19 | Aug 30 – Sep 20 |
| Cucumbers | Apr 14 – Apr 21 | May 26 – Jun 2 | May 19 – Jun 2 | Jul 26 – Aug 9 |
| Zucchini & Summer Squash | Apr 14 – Apr 21 | — | May 19 – Jun 2 | Aug 2 – Aug 16 |
| Winter Squash & Pumpkins | Apr 14 – Apr 21 | — | May 19 – Jun 2 | — |
| Melons & Watermelon | Apr 14 – Apr 21 | May 26 – Jun 9 | — | — |
| Carrots | — | — | Apr 21 – May 19 | Jul 19 – Aug 2 |
| Beets | — | — | Apr 21 – May 19 | Aug 2 – Aug 16 |
| Potatoes | — | — | Apr 21 – May 12 | — |
| Swiss Chard | — | — | Apr 28 – May 26 | Aug 2 – Aug 16 |
| Cilantro | — | — | Apr 28 – May 19 | Aug 16 – Sep 6 |
| Green Beans | — | — | May 19 – Jun 9 | Jul 26 – Aug 9 |
| Sweet Corn | — | — | May 19 – Jun 2 | — |
| Sweet Potatoes | — | May 26 – Jun 16 | — | — |
| Garlic | — | — | — | Sep 27 – Nov 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 Snowden, WA weather station, 11 km away (elevation 2,415 ft (736 m)).
Frost dates near Lyle
- Klickitat May 12 · Oct 11
- Appleton May 12 · Oct 11
- Dallesport Apr 11 · Oct 26
- Wahkiacus May 12 · Oct 11
- White Salmon Apr 20 · Oct 13
- Husum May 12 · Oct 11
- Centerville May 19 · Sep 25
- Wishram Apr 11 · Oct 26
- Underwood Apr 20 · Oct 13
- Glenwood frost any month
Frequently asked questions
When is the last frost in Lyle, WA?
The median last spring frost in Lyle, WA is May 12. There is still about a 10% chance of frost after June 7, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lyle, WA?
The median first fall frost is October 11, with about a 10% chance of frost before September 24.
How long is the growing season in Lyle, WA?
About 152 days between the median last spring frost and first fall frost.
What planting zone is Lyle, WA?
Lyle, WA is in USDA hardiness zone 7b.