Gardiner, OR frost dates
Last spring frostMar 25median date
First fall frostNov 24median date
Growing season244 daysfrost-free
Hardiness zone9aZone 9a
How Gardiner compares
- In 8 years out of 10, the last spring frost in Gardiner falls between February 15 and April 27, a 71-day window. The first fall frost falls between October 27 and January 1.
- The median last frost is 22 days earlier than the Oregon median of Apr 16.
- Its 244-day growing season is longer than 84% of the 345 Oregon places with a regular frost season (state median 193 days).
- The last frost is 22 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 19 nights a year at or below 32°F.
- Compared with Eugene, OR, 90 km away, the last frost here is 17 days earlier than there and the growing season is 49 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 15 |
| 50% (median) | March 25 |
| 10% (safe for tender plants) | April 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 27 |
| 50% (median) | November 24 |
| 90% (late) | January 1 |
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 Gardiner, OR
Gardiner, OR frost dates — last frost Mar 25, first frost Nov 24, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 31 to Jan 14Start indoors: Dec 31 to Jan 14Transplant outside: Feb 25 to Mar 11
Start indoors: Jan 14 to Jan 28Transplant outside: Apr 8 to Apr 22
Start indoors: Jan 14 to Jan 28Transplant outside: Apr 8 to Apr 22
Start indoors: Jan 28 to Feb 11Transplant outside: Apr 1 to Apr 15
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 4 to Mar 18Sow outdoors: Feb 25 to Apr 1Plant for fall: Sep 29 to Oct 27
Start indoors: Jan 28 to Feb 11Transplant outside: Feb 25 to Mar 11Sow outdoors: Feb 25 to Mar 11Plant for fall: Sep 15 to Oct 6
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 11 to Mar 25Plant for fall: Aug 18 to Sep 8
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 4 to Mar 18Plant for fall: Aug 18 to Sep 8
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 11 to Mar 25Plant for fall: Aug 18 to Sep 8
Start indoors: Feb 11 to Feb 25Transplant outside: Apr 15 to Apr 29Sow outdoors: Apr 15 to Apr 29
Start indoors: Feb 11 to Feb 25Transplant outside: Apr 1 to Apr 15
Sow outdoors: Feb 11 to Mar 4Plant for fall: Sep 1 to Sep 22
Sow outdoors: Feb 11 to Mar 4Plant for fall: Sep 29 to Oct 20
Sow outdoors: Feb 18 to Apr 1Plant for fall: Oct 13 to Nov 3
Start indoors: Feb 25 to Mar 4Transplant outside: Apr 8 to Apr 15Sow outdoors: Apr 1 to Apr 15Plant for fall: Sep 8 to Sep 22
Start indoors: Feb 25 to Mar 4Sow outdoors: Apr 1 to Apr 15Plant for fall: Sep 15 to Sep 29
Start indoors: Feb 25 to Mar 4Sow outdoors: Apr 1 to Apr 15
Start indoors: Feb 25 to Mar 4Transplant outside: Apr 8 to Apr 22
Sow outdoors: Mar 4 to Apr 1Plant for fall: Sep 1 to Sep 15
Sow outdoors: Mar 4 to Apr 1Plant for fall: Sep 15 to Sep 29
Sow outdoors: Mar 4 to Mar 25
Sow outdoors: Mar 11 to Apr 8Plant for fall: Sep 15 to Sep 29
Sow outdoors: Mar 11 to Apr 1Plant for fall: Sep 29 to Oct 20
Sow outdoors: Apr 1 to Apr 22Plant for fall: Sep 8 to Sep 22
Sow outdoors: Apr 1 to Apr 15
Transplant outside: Apr 8 to Apr 29
Plant for fall: Nov 10 to Dec 15
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Gardiner, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 31 – Jan 14 | Feb 25 – Mar 11 | — | — |
| Peppers | Jan 14 – Jan 28 | Apr 8 – Apr 22 | — | — |
| Eggplant | Jan 14 – Jan 28 | Apr 8 – Apr 22 | — | — |
| Tomatoes | Jan 28 – Feb 11 | Apr 1 – Apr 15 | — | — |
| Lettuce | Jan 28 – Feb 11 | Mar 4 – Mar 18 | Feb 25 – Apr 1 | Sep 29 – Oct 27 |
| Kale | Jan 28 – Feb 11 | Feb 25 – Mar 11 | Feb 25 – Mar 11 | Sep 15 – Oct 6 |
| Broccoli | Jan 28 – Feb 11 | Mar 11 – Mar 25 | — | Aug 18 – Sep 8 |
| Cabbage | Jan 28 – Feb 11 | Mar 4 – Mar 18 | — | Aug 18 – Sep 8 |
| Cauliflower | Jan 28 – Feb 11 | Mar 11 – Mar 25 | — | Aug 18 – Sep 8 |
| Okra | Feb 11 – Feb 25 | Apr 15 – Apr 29 | Apr 15 – Apr 29 | — |
| Basil | Feb 11 – Feb 25 | Apr 1 – Apr 15 | — | — |
| Peas | — | — | Feb 11 – Mar 4 | Sep 1 – Sep 22 |
| Spinach | — | — | Feb 11 – Mar 4 | Sep 29 – Oct 20 |
| Radishes | — | — | Feb 18 – Apr 1 | Oct 13 – Nov 3 |
| Cucumbers | Feb 25 – Mar 4 | Apr 8 – Apr 15 | Apr 1 – Apr 15 | Sep 8 – Sep 22 |
| Zucchini & Summer Squash | Feb 25 – Mar 4 | — | Apr 1 – Apr 15 | Sep 15 – Sep 29 |
| Winter Squash & Pumpkins | Feb 25 – Mar 4 | — | Apr 1 – Apr 15 | — |
| Melons & Watermelon | Feb 25 – Mar 4 | Apr 8 – Apr 22 | — | — |
| Carrots | — | — | Mar 4 – Apr 1 | Sep 1 – Sep 15 |
| Beets | — | — | Mar 4 – Apr 1 | Sep 15 – Sep 29 |
| Potatoes | — | — | Mar 4 – Mar 25 | — |
| Swiss Chard | — | — | Mar 11 – Apr 8 | Sep 15 – Sep 29 |
| Cilantro | — | — | Mar 11 – Apr 1 | Sep 29 – Oct 20 |
| Green Beans | — | — | Apr 1 – Apr 22 | Sep 8 – Sep 22 |
| Sweet Corn | — | — | Apr 1 – Apr 15 | — |
| Sweet Potatoes | — | Apr 8 – Apr 29 | — | — |
| Garlic | — | — | — | Nov 10 – Dec 15 |
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 Winchester Bay Coast Grd, OR weather station, 8 km away (elevation 7 ft (2 m)).
Frost dates near Gardiner
- Reedsport Mar 25 · Nov 24
- Lakeside Mar 25 · Nov 24
- Westlake Mar 28 · Nov 22
- Scottsburg Apr 11 · Nov 6
- Florence Apr 10 · Nov 15
- North Bend Feb 21 · Dec 9
- Allegany Feb 21 · Dec 9
- Mapleton Feb 15 · Dec 9
- Elkton Apr 11 · Nov 6
- Swisshome Feb 15 · Dec 9
Frequently asked questions
When is the last frost in Gardiner, OR?
The median last spring frost in Gardiner, OR is March 25. There is still about a 10% chance of frost after April 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Gardiner, OR?
The median first fall frost is November 24, with about a 10% chance of frost before October 27.
How long is the growing season in Gardiner, OR?
About 244 days between the median last spring frost and first fall frost.
What planting zone is Gardiner, OR?
Gardiner, OR is in USDA hardiness zone 9a.