Newport, OR frost dates
Last spring frostMar 21median date
First fall frostNov 27median date
Growing season251 daysfrost-free
Hardiness zone9bZone 9b
How Newport compares
- In 8 years out of 10, the last spring frost in Newport falls between February 11 and April 12, a 60-day window. The first fall frost falls between November 1 and December 28.
- The median last frost is 26 days earlier than the Oregon median of Apr 16.
- Its 251-day growing season is longer than 92% of the 345 Oregon places with a regular frost season (state median 193 days).
- The last frost is 29 days later than the zone 9b median of Feb 20. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9b chart.
- The weather station records an average of 13 nights a year at or below 32°F.
- Compared with Corvallis, OR, 62 km away, the last frost here is 27 days earlier than there and the growing season is 57 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 11 |
| 50% (median) | March 21 |
| 10% (safe for tender plants) | April 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 1 |
| 50% (median) | November 27 |
| 90% (late) | December 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 Newport, OR
Newport, OR frost dates — last frost Mar 21, first frost Nov 27, zone 9b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 21 to Mar 7
Start indoors: Jan 10 to Jan 24Transplant outside: Apr 4 to Apr 18
Start indoors: Jan 10 to Jan 24Transplant outside: Apr 4 to Apr 18
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 28 to Apr 11
Start indoors: Jan 24 to Feb 7Transplant outside: Feb 28 to Mar 14Sow outdoors: Feb 21 to Mar 28Plant for fall: Oct 2 to Oct 30
Start indoors: Jan 24 to Feb 7Transplant outside: Feb 21 to Mar 7Sow outdoors: Feb 21 to Mar 7Plant for fall: Sep 18 to Oct 9
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 7 to Mar 21Plant for fall: Aug 21 to Sep 11
Start indoors: Jan 24 to Feb 7Transplant outside: Feb 28 to Mar 14Plant for fall: Aug 21 to Sep 11
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 7 to Mar 21Plant for fall: Aug 21 to Sep 11
Start indoors: Feb 7 to Feb 21Transplant outside: Apr 11 to Apr 25Sow outdoors: Apr 11 to Apr 25
Start indoors: Feb 7 to Feb 21Transplant outside: Mar 28 to Apr 11
Sow outdoors: Feb 7 to Feb 28Plant for fall: Sep 4 to Sep 25
Sow outdoors: Feb 7 to Feb 28Plant for fall: Oct 2 to Oct 23
Sow outdoors: Feb 14 to Mar 28Plant for fall: Oct 16 to Nov 6
Start indoors: Feb 21 to Feb 28Transplant outside: Apr 4 to Apr 11Sow outdoors: Mar 28 to Apr 11Plant for fall: Sep 11 to Sep 25
Start indoors: Feb 21 to Feb 28Sow outdoors: Mar 28 to Apr 11Plant for fall: Sep 18 to Oct 2
Start indoors: Feb 21 to Feb 28Sow outdoors: Mar 28 to Apr 11
Start indoors: Feb 21 to Feb 28Transplant outside: Apr 4 to Apr 18
Sow outdoors: Feb 28 to Mar 28Plant for fall: Sep 4 to Sep 18
Sow outdoors: Feb 28 to Mar 28Plant for fall: Sep 18 to Oct 2
Sow outdoors: Feb 28 to Mar 21
Sow outdoors: Mar 7 to Apr 4Plant for fall: Sep 18 to Oct 2
Sow outdoors: Mar 7 to Mar 28Plant for fall: Oct 2 to Oct 23
Sow outdoors: Mar 28 to Apr 18Plant for fall: Sep 11 to Sep 25
Sow outdoors: Mar 28 to Apr 11
Transplant outside: Apr 4 to Apr 25
Plant for fall: Nov 13 to Dec 18
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Newport, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 27 – Jan 10 | Feb 21 – Mar 7 | — | — |
| Peppers | Jan 10 – Jan 24 | Apr 4 – Apr 18 | — | — |
| Eggplant | Jan 10 – Jan 24 | Apr 4 – Apr 18 | — | — |
| Tomatoes | Jan 24 – Feb 7 | Mar 28 – Apr 11 | — | — |
| Lettuce | Jan 24 – Feb 7 | Feb 28 – Mar 14 | Feb 21 – Mar 28 | Oct 2 – Oct 30 |
| Kale | Jan 24 – Feb 7 | Feb 21 – Mar 7 | Feb 21 – Mar 7 | Sep 18 – Oct 9 |
| Broccoli | Jan 24 – Feb 7 | Mar 7 – Mar 21 | — | Aug 21 – Sep 11 |
| Cabbage | Jan 24 – Feb 7 | Feb 28 – Mar 14 | — | Aug 21 – Sep 11 |
| Cauliflower | Jan 24 – Feb 7 | Mar 7 – Mar 21 | — | Aug 21 – Sep 11 |
| Okra | Feb 7 – Feb 21 | Apr 11 – Apr 25 | Apr 11 – Apr 25 | — |
| Basil | Feb 7 – Feb 21 | Mar 28 – Apr 11 | — | — |
| Peas | — | — | Feb 7 – Feb 28 | Sep 4 – Sep 25 |
| Spinach | — | — | Feb 7 – Feb 28 | Oct 2 – Oct 23 |
| Radishes | — | — | Feb 14 – Mar 28 | Oct 16 – Nov 6 |
| Cucumbers | Feb 21 – Feb 28 | Apr 4 – Apr 11 | Mar 28 – Apr 11 | Sep 11 – Sep 25 |
| Zucchini & Summer Squash | Feb 21 – Feb 28 | — | Mar 28 – Apr 11 | Sep 18 – Oct 2 |
| Winter Squash & Pumpkins | Feb 21 – Feb 28 | — | Mar 28 – Apr 11 | — |
| Melons & Watermelon | Feb 21 – Feb 28 | Apr 4 – Apr 18 | — | — |
| Carrots | — | — | Feb 28 – Mar 28 | Sep 4 – Sep 18 |
| Beets | — | — | Feb 28 – Mar 28 | Sep 18 – Oct 2 |
| Potatoes | — | — | Feb 28 – Mar 21 | — |
| Swiss Chard | — | — | Mar 7 – Apr 4 | Sep 18 – Oct 2 |
| Cilantro | — | — | Mar 7 – Mar 28 | Oct 2 – Oct 23 |
| Green Beans | — | — | Mar 28 – Apr 18 | Sep 11 – Sep 25 |
| Sweet Corn | — | — | Mar 28 – Apr 11 | — |
| Sweet Potatoes | — | Apr 4 – Apr 25 | — | — |
| Garlic | — | — | — | Nov 13 – Dec 18 |
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 Newport, OR weather station, about 1 km away (elevation 121 ft (37 m)).
Frost dates near Newport
- South Beach Feb 19 · Dec 16
- Toledo Feb 19 · Dec 16
- Otter Rock Mar 12 · Dec 10
- Siletz Mar 12 · Dec 10
- Seal Rock Feb 19 · Dec 16
- Depoe Bay Mar 12 · Dec 10
- Logsden Mar 12 · Dec 10
- Eddyville Feb 19 · Dec 16
- Gleneden Beach Apr 4 · Nov 16
- Waldport Feb 19 · Dec 11
Frequently asked questions
When is the last frost in Newport, OR?
The median last spring frost in Newport, OR is March 21. There is still about a 10% chance of frost after April 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Newport, OR?
The median first fall frost is November 27, with about a 10% chance of frost before November 1.
How long is the growing season in Newport, OR?
About 251 days between the median last spring frost and first fall frost.
What planting zone is Newport, OR?
Newport, OR is in USDA hardiness zone 9b.