Ophir, OR frost dates
Frost is light and occasional here — typically a few cold nights around midwinter (about 5 a year). Cover tender plants when frost is forecast.
How Ophir compares
- In a typical year, frost nights in Ophir fall between December 16 and February 16. In 1 year in 10 the first frost comes as early as November 23, or the last frost as late as March 25.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 16 |
| 50% (median) | February 16 |
| 10% (safe for tender plants) | March 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 23 |
| 50% (median) | December 16 |
| 90% (late) | February 16 |
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 Ophir, OR
Ophir, OR frost dates — last frost Feb 16, first frost Dec 16, zone 9b. whenisthelastfrost.com
In mild climates, summer heat limits many crops as much as frost does. Use this calendar for spring planting and lean on fall and winter for cool-season crops.
When to plant vegetables in Ophir, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 24 – Dec 8 | Jan 19 – Feb 2 | — | — |
| Peppers | Dec 8 – Dec 22 | Mar 2 – Mar 16 | — | — |
| Eggplant | Dec 8 – Dec 22 | Mar 2 – Mar 16 | — | — |
| Tomatoes | Dec 22 – Jan 5 | Feb 23 – Mar 9 | — | — |
| Lettuce | Dec 22 – Jan 5 | Jan 26 – Feb 9 | Jan 19 – Feb 23 | Oct 21 – Nov 18 |
| Kale | Dec 22 – Jan 5 | Jan 19 – Feb 2 | Jan 19 – Feb 2 | Oct 7 – Oct 28 |
| Broccoli | Dec 22 – Jan 5 | Feb 2 – Feb 16 | — | Sep 9 – Sep 30 |
| Cabbage | Dec 22 – Jan 5 | Jan 26 – Feb 9 | — | Sep 9 – Sep 30 |
| Cauliflower | Dec 22 – Jan 5 | Feb 2 – Feb 16 | — | Sep 9 – Sep 30 |
| Okra | Jan 5 – Jan 19 | Mar 9 – Mar 23 | Mar 9 – Mar 23 | — |
| Basil | Jan 5 – Jan 19 | Feb 23 – Mar 9 | — | — |
| Peas | — | — | Jan 5 – Jan 26 | Sep 23 – Oct 14 |
| Spinach | — | — | Jan 5 – Jan 26 | Oct 21 – Nov 11 |
| Radishes | — | — | Jan 12 – Feb 23 | Nov 4 – Nov 25 |
| Cucumbers | Jan 19 – Jan 26 | Mar 2 – Mar 9 | Feb 23 – Mar 9 | Sep 30 – Oct 14 |
| Zucchini & Summer Squash | Jan 19 – Jan 26 | — | Feb 23 – Mar 9 | Oct 7 – Oct 21 |
| Winter Squash & Pumpkins | Jan 19 – Jan 26 | — | Feb 23 – Mar 9 | — |
| Melons & Watermelon | Jan 19 – Jan 26 | Mar 2 – Mar 16 | — | — |
| Carrots | — | — | Jan 26 – Feb 23 | Sep 23 – Oct 7 |
| Beets | — | — | Jan 26 – Feb 23 | Oct 7 – Oct 21 |
| Potatoes | — | — | Jan 26 – Feb 16 | — |
| Swiss Chard | — | — | Feb 2 – Mar 2 | Oct 7 – Oct 21 |
| Cilantro | — | — | Feb 2 – Feb 23 | Oct 21 – Nov 11 |
| Green Beans | — | — | Feb 23 – Mar 16 | Sep 30 – Oct 14 |
| Sweet Corn | — | — | Feb 23 – Mar 9 | — |
| Sweet Potatoes | — | Mar 2 – Mar 23 | — | — |
| Garlic | — | — | — | Dec 2 – Jan 6 |
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 Gold Beach Rs, OR weather station, 18 km away (elevation 49 ft (15 m)).
Frost dates near Ophir
- Wedderburn Feb 17 · Dec 3
- Gold Beach Feb 16 · Dec 16
- Port Orford Feb 17 · Dec 3
- Agness Mar 30 · Nov 17
- Sixes Feb 17 · Dec 3
- Langlois Mar 16 · Nov 29
- Powers Mar 21 · Nov 14
- Broadbent Mar 21 · Nov 14
- Brookings Jan 31 · Dec 27
- Bandon Mar 9 · Nov 27
Frequently asked questions
When is the last frost in Ophir, OR?
The median last spring frost in Ophir, OR is February 16. There is still about a 10% chance of frost after March 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ophir, OR?
The median first fall frost is December 16, with about a 10% chance of frost before November 23.
How long is the growing season in Ophir, OR?
About 303 days between the median last spring frost and first fall frost.
What planting zone is Ophir, OR?
Ophir, OR is in USDA hardiness zone 9b.