Drewsey, OR frost dates
Last spring frostJun 5median date
First fall frostSep 5median date
Growing season92 daysfrost-free
Hardiness zone6aZone 6a
How Drewsey compares
- In 8 years out of 10, the last spring frost in Drewsey falls between May 17 and June 26, a 40-day window. The first fall frost falls between August 20 and September 21.
- The median last frost is 50 days later than the Oregon median of Apr 16.
- Its 92-day growing season is among the shortest of the 345 Oregon places with a regular frost season.
- The last frost is 37 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 197 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 17 |
| 50% (median) | June 5 |
| 10% (safe for tender plants) | June 26 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | August 20 |
| 50% (median) | September 5 |
| 90% (late) | September 21 |
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 Drewsey, OR
Drewsey, OR frost dates — last frost Jun 5, first frost Sep 5, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Mar 13 to Mar 27Transplant outside: May 8 to May 22
Start indoors: Mar 27 to Apr 10Transplant outside: Jun 19 to Jul 3
Start indoors: Mar 27 to Apr 10Transplant outside: Jun 19 to Jul 3
Start indoors: Apr 10 to Apr 24Transplant outside: Jun 12 to Jun 26
Start indoors: Apr 10 to Apr 24Transplant outside: May 15 to May 29Sow outdoors: May 8 to Jun 12Plant for fall: Jul 11 to Aug 8
Start indoors: Apr 10 to Apr 24Transplant outside: May 8 to May 22Sow outdoors: May 8 to May 22Plant for fall: Jun 27 to Jul 18
Start indoors: Apr 10 to Apr 24Transplant outside: May 22 to Jun 5
Start indoors: Apr 10 to Apr 24Transplant outside: May 15 to May 29
Start indoors: Apr 10 to Apr 24Transplant outside: May 22 to Jun 5
Start indoors: Apr 24 to May 8Transplant outside: Jun 26 to Jul 10Sow outdoors: Jun 26 to Jul 10
Start indoors: Apr 24 to May 8Transplant outside: Jun 12 to Jun 26
Sow outdoors: Apr 24 to May 15
Sow outdoors: Apr 24 to May 15Plant for fall: Jul 11 to Aug 1
Sow outdoors: May 1 to Jun 12Plant for fall: Jul 25 to Aug 15
Start indoors: May 8 to May 15Transplant outside: Jun 19 to Jun 26Sow outdoors: Jun 12 to Jun 26
Start indoors: May 8 to May 15Sow outdoors: Jun 12 to Jun 26
Start indoors: May 8 to May 15Sow outdoors: Jun 12 to Jun 26
Start indoors: May 8 to May 15Transplant outside: Jun 19 to Jul 3
Sow outdoors: May 15 to Jun 12
Sow outdoors: May 15 to Jun 12Plant for fall: Jun 27 to Jul 11
Sow outdoors: May 15 to Jun 5
Sow outdoors: May 22 to Jun 19
Sow outdoors: May 22 to Jun 12Plant for fall: Jul 11 to Aug 1
Sow outdoors: Jun 12 to Jul 3
Sow outdoors: Jun 12 to Jun 26
Transplant outside: Jun 19 to Jul 10
Plant for fall: Aug 22 to Sep 26
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Drewsey, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 13 – Mar 27 | May 8 – May 22 | — | — |
| Peppers | Mar 27 – Apr 10 | Jun 19 – Jul 3 | — | — |
| Eggplant | Mar 27 – Apr 10 | Jun 19 – Jul 3 | — | — |
| Tomatoes | Apr 10 – Apr 24 | Jun 12 – Jun 26 | — | — |
| Lettuce | Apr 10 – Apr 24 | May 15 – May 29 | May 8 – Jun 12 | Jul 11 – Aug 8 |
| Kale | Apr 10 – Apr 24 | May 8 – May 22 | May 8 – May 22 | Jun 27 – Jul 18 |
| Broccoli | Apr 10 – Apr 24 | May 22 – Jun 5 | — | — |
| Cabbage | Apr 10 – Apr 24 | May 15 – May 29 | — | — |
| Cauliflower | Apr 10 – Apr 24 | May 22 – Jun 5 | — | — |
| Okra | Apr 24 – May 8 | Jun 26 – Jul 10 | Jun 26 – Jul 10 | — |
| Basil | Apr 24 – May 8 | Jun 12 – Jun 26 | — | — |
| Peas | — | — | Apr 24 – May 15 | — |
| Spinach | — | — | Apr 24 – May 15 | Jul 11 – Aug 1 |
| Radishes | — | — | May 1 – Jun 12 | Jul 25 – Aug 15 |
| Cucumbers | May 8 – May 15 | Jun 19 – Jun 26 | Jun 12 – Jun 26 | — |
| Zucchini & Summer Squash | May 8 – May 15 | — | Jun 12 – Jun 26 | — |
| Winter Squash & Pumpkins Warning: Your frost-free season is about 92 days, which is tight for winter squash & pumpkins (100+ days). Choose early varieties and use transplants or row covers. | May 8 – May 15 | — | Jun 12 – Jun 26 | — |
| Melons & Watermelon Warning: Your frost-free season is about 92 days, which is tight for melons & watermelon (85+ days). Choose early varieties and use transplants or row covers. | May 8 – May 15 | Jun 19 – Jul 3 | — | — |
| Carrots | — | — | May 15 – Jun 12 | — |
| Beets | — | — | May 15 – Jun 12 | Jun 27 – Jul 11 |
| Potatoes | — | — | May 15 – Jun 5 | — |
| Swiss Chard | — | — | May 22 – Jun 19 | — |
| Cilantro | — | — | May 22 – Jun 12 | Jul 11 – Aug 1 |
| Green Beans | — | — | Jun 12 – Jul 3 | — |
| Sweet Corn Warning: Your frost-free season is about 92 days, which is tight for sweet corn (80+ days). Choose early varieties and use transplants or row covers. | — | — | Jun 12 – Jun 26 | — |
| Sweet Potatoes Warning: Your frost-free season is about 92 days, which is tight for sweet potatoes (100+ days). Choose early varieties and use transplants or row covers. | — | Jun 19 – Jul 10 | — | — |
| Garlic | — | — | — | Aug 22 – Sep 26 |
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 Drewsey, OR weather station, 10 km away (elevation 3,514 ft (1,071 m)).
Frost dates near Drewsey
- Juntura Jun 5 · Sep 5
- Crane Jun 7 · Sep 6
- Riverside Jun 7 · Sep 6
- Seneca frost any month
- Hines Jun 11 · Sep 6
- Burns Jun 11 · Sep 6
- Ironside May 7 · Oct 3
- Westfall May 7 · Oct 3
- Unity frost any month
- Prairie City frost any month
Frequently asked questions
When is the last frost in Drewsey, OR?
The median last spring frost in Drewsey, OR is June 5. There is still about a 10% chance of frost after June 26, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Drewsey, OR?
The median first fall frost is September 5, with about a 10% chance of frost before August 20.
How long is the growing season in Drewsey, OR?
About 92 days between the median last spring frost and first fall frost.
What planting zone is Drewsey, OR?
Drewsey, OR is in USDA hardiness zone 6a.