Crabtree, OR frost dates
How Crabtree compares
- In 8 years out of 10, the last spring frost in Crabtree falls between February 18 and April 14, a 55-day window. The first fall frost falls between October 27 and December 15.
- The median last frost is 33 days earlier than the Oregon median of Apr 16.
- Its 249-day growing season is longer than 90% of the 345 Oregon places with a regular frost season (state median 193 days).
- The last frost is typical for zone 8b, where the median is Mar 16.
- The weather station records an average of 39 nights a year at or below 32°F.
- Compared with Albany, OR, 16 km away, the last frost here is 34 days earlier than there and the growing season is 55 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 18 |
| 50% (median) | March 14 |
| 10% (safe for tender plants) | April 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 27 |
| 50% (median) | November 18 |
| 90% (late) | December 15 |
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 Crabtree, OR
Crabtree, OR frost dates — last frost Mar 14, first frost Nov 18, zone 8b. whenisthelastfrost.com
When to plant vegetables in Crabtree, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 20 – Jan 3 | Feb 14 – Feb 28 | — | — |
| Peppers | Jan 3 – Jan 17 | Mar 28 – Apr 11 | — | — |
| Eggplant | Jan 3 – Jan 17 | Mar 28 – Apr 11 | — | — |
| Tomatoes | Jan 17 – Jan 31 | Mar 21 – Apr 4 | — | — |
| Lettuce | Jan 17 – Jan 31 | Feb 21 – Mar 7 | Feb 14 – Mar 21 | Sep 23 – Oct 21 |
| Kale | Jan 17 – Jan 31 | Feb 14 – Feb 28 | Feb 14 – Feb 28 | Sep 9 – Sep 30 |
| Broccoli | Jan 17 – Jan 31 | Feb 28 – Mar 14 | — | Aug 12 – Sep 2 |
| Cabbage | Jan 17 – Jan 31 | Feb 21 – Mar 7 | — | Aug 12 – Sep 2 |
| Cauliflower | Jan 17 – Jan 31 | Feb 28 – Mar 14 | — | Aug 12 – Sep 2 |
| Okra | Jan 31 – Feb 14 | Apr 4 – Apr 18 | Apr 4 – Apr 18 | — |
| Basil | Jan 31 – Feb 14 | Mar 21 – Apr 4 | — | — |
| Peas | — | — | Jan 31 – Feb 21 | Aug 26 – Sep 16 |
| Spinach | — | — | Jan 31 – Feb 21 | Sep 23 – Oct 14 |
| Radishes | — | — | Feb 7 – Mar 21 | Oct 7 – Oct 28 |
| Cucumbers | Feb 14 – Feb 21 | Mar 28 – Apr 4 | Mar 21 – Apr 4 | Sep 2 – Sep 16 |
| Zucchini & Summer Squash | Feb 14 – Feb 21 | — | Mar 21 – Apr 4 | Sep 9 – Sep 23 |
| Winter Squash & Pumpkins | Feb 14 – Feb 21 | — | Mar 21 – Apr 4 | — |
| Melons & Watermelon | Feb 14 – Feb 21 | Mar 28 – Apr 11 | — | — |
| Carrots | — | — | Feb 21 – Mar 21 | Aug 26 – Sep 9 |
| Beets | — | — | Feb 21 – Mar 21 | Sep 9 – Sep 23 |
| Potatoes | — | — | Feb 21 – Mar 14 | — |
| Swiss Chard | — | — | Feb 28 – Mar 28 | Sep 9 – Sep 23 |
| Cilantro | — | — | Feb 28 – Mar 21 | Sep 23 – Oct 14 |
| Green Beans | — | — | Mar 21 – Apr 11 | Sep 2 – Sep 16 |
| Sweet Corn | — | — | Mar 21 – Apr 4 | — |
| Sweet Potatoes | — | Mar 28 – Apr 18 | — | — |
| Garlic | — | — | — | Nov 4 – Dec 9 |
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 Lebanon, OR weather station, 11 km away (elevation 331 ft (101 m)).
Frost dates near Crabtree
- Lebanon Mar 14 · Nov 18
- Scio Mar 29 · Nov 6
- Jefferson Mar 29 · Nov 6
- Albany Apr 17 · Oct 28
- Tangent Apr 17 · Oct 28
- Stayton Mar 29 · Nov 6
- Aumsville Mar 29 · Nov 6
- Turner Apr 3 · Nov 1
- Sublimity Mar 29 · Nov 6
- Shedd Apr 11 · Oct 30
Frequently asked questions
When is the last frost in Crabtree, OR?
The median last spring frost in Crabtree, OR is March 14. There is still about a 10% chance of frost after April 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Crabtree, OR?
The median first fall frost is November 18, with about a 10% chance of frost before October 27.
How long is the growing season in Crabtree, OR?
About 249 days between the median last spring frost and first fall frost.
What planting zone is Crabtree, OR?
Crabtree, OR is in USDA hardiness zone 8b.