Lyons, OR frost dates
How Lyons compares
- In 8 years out of 10, the last spring frost in Lyons falls between April 10 and May 15, a 35-day window. The first fall frost falls between October 2 and November 12.
- The median last frost is 14 days later than the Oregon median of Apr 16.
- Its 175-day growing season is longer than 37% of the 345 Oregon places with a regular frost season (state median 193 days).
- The last frost is 45 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 85 nights a year at or below 32°F.
- Compared with Salem, OR, 39 km away, the last frost here is 27 days later than there and the growing season is 37 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 10 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 15 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 22 |
| 90% (late) | November 12 |
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 Lyons, OR
Lyons, OR frost dates — last frost Apr 30, first frost Oct 22, zone 8b. whenisthelastfrost.com
When to plant vegetables in Lyons, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 5 – Feb 19 | Apr 2 – Apr 16 | — | — |
| Peppers | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Eggplant | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Tomatoes | Mar 5 – Mar 19 | May 7 – May 21 | — | — |
| Lettuce | Mar 5 – Mar 19 | Apr 9 – Apr 23 | Apr 2 – May 7 | Aug 27 – Sep 24 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 13 – Sep 3 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 16 – Aug 6 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 16 – Aug 6 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 16 – Aug 6 |
| Okra | Mar 19 – Apr 2 | May 21 – Jun 4 | May 21 – Jun 4 | — |
| Basil | Mar 19 – Apr 2 | May 7 – May 21 | — | — |
| Peas | — | — | Mar 19 – Apr 9 | Jul 30 – Aug 20 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 27 – Sep 17 |
| Radishes | — | — | Mar 26 – May 7 | Sep 10 – Oct 1 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Aug 6 – Aug 20 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 13 – Aug 27 |
| Winter Squash & Pumpkins | Apr 2 – Apr 9 | — | May 7 – May 21 | — |
| Melons & Watermelon | Apr 2 – Apr 9 | May 14 – May 28 | — | — |
| Carrots | — | — | Apr 9 – May 7 | Jul 30 – Aug 13 |
| Beets | — | — | Apr 9 – May 7 | Aug 13 – Aug 27 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 13 – Aug 27 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 27 – Sep 17 |
| Green Beans | — | — | May 7 – May 28 | Aug 6 – Aug 20 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Oct 8 – Nov 12 |
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 Silver Creek Falls, OR weather station, 14 km away (elevation 1,352 ft (412 m)).
Frost dates near Lyons
- Mehama Apr 30 · Oct 22
- Mill City Mar 9 · Dec 3
- Scio Mar 29 · Nov 6
- Stayton Mar 29 · Nov 6
- Gates Mar 9 · Dec 3
- Sublimity Mar 29 · Nov 6
- Aumsville Mar 29 · Nov 6
- Scotts Mills Apr 27 · Nov 4
- Crabtree Mar 14 · Nov 18
- Saint Benedict Apr 27 · Nov 4
Frequently asked questions
When is the last frost in Lyons, OR?
The median last spring frost in Lyons, OR is April 30. There is still about a 10% chance of frost after May 15, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lyons, OR?
The median first fall frost is October 22, with about a 10% chance of frost before October 2.
How long is the growing season in Lyons, OR?
About 175 days between the median last spring frost and first fall frost.
What planting zone is Lyons, OR?
Lyons, OR is in USDA hardiness zone 8b.