Sixes, OR frost dates
How Sixes compares
- In 8 years out of 10, the last spring frost in Sixes falls between December 28 and March 19, a 81-day window. The first fall frost falls between November 8 and January 11.
- The median last frost is 58 days earlier than the Oregon median of Apr 16.
- Its 289-day growing season is longer than 97% of the 345 Oregon places with a regular frost season (state median 193 days).
- The last frost is typical for zone 9b, where the median is Feb 20.
- The weather station records an average of 11 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 28 |
| 50% (median) | February 17 |
| 10% (safe for tender plants) | March 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 8 |
| 50% (median) | December 3 |
| 90% (late) | January 11 |
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 Sixes, OR
Sixes, OR frost dates — last frost Feb 17, first frost Dec 3, zone 9b. whenisthelastfrost.com
When to plant vegetables in Sixes, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 25 – Dec 9 | Jan 20 – Feb 3 | — | — |
| Peppers | Dec 9 – Dec 23 | Mar 3 – Mar 17 | — | — |
| Eggplant | Dec 9 – Dec 23 | Mar 3 – Mar 17 | — | — |
| Tomatoes | Dec 23 – Jan 6 | Feb 24 – Mar 10 | — | — |
| Lettuce | Dec 23 – Jan 6 | Jan 27 – Feb 10 | Jan 20 – Feb 24 | Oct 8 – Nov 5 |
| Kale | Dec 23 – Jan 6 | Jan 20 – Feb 3 | Jan 20 – Feb 3 | Sep 24 – Oct 15 |
| Broccoli | Dec 23 – Jan 6 | Feb 3 – Feb 17 | — | Aug 27 – Sep 17 |
| Cabbage | Dec 23 – Jan 6 | Jan 27 – Feb 10 | — | Aug 27 – Sep 17 |
| Cauliflower | Dec 23 – Jan 6 | Feb 3 – Feb 17 | — | Aug 27 – Sep 17 |
| Okra | Jan 6 – Jan 20 | Mar 10 – Mar 24 | Mar 10 – Mar 24 | — |
| Basil | Jan 6 – Jan 20 | Feb 24 – Mar 10 | — | — |
| Peas | — | — | Jan 6 – Jan 27 | Sep 10 – Oct 1 |
| Spinach | — | — | Jan 6 – Jan 27 | Oct 8 – Oct 29 |
| Radishes | — | — | Jan 13 – Feb 24 | Oct 22 – Nov 12 |
| Cucumbers | Jan 20 – Jan 27 | Mar 3 – Mar 10 | Feb 24 – Mar 10 | Sep 17 – Oct 1 |
| Zucchini & Summer Squash | Jan 20 – Jan 27 | — | Feb 24 – Mar 10 | Sep 24 – Oct 8 |
| Winter Squash & Pumpkins | Jan 20 – Jan 27 | — | Feb 24 – Mar 10 | — |
| Melons & Watermelon | Jan 20 – Jan 27 | Mar 3 – Mar 17 | — | — |
| Carrots | — | — | Jan 27 – Feb 24 | Sep 10 – Sep 24 |
| Beets | — | — | Jan 27 – Feb 24 | Sep 24 – Oct 8 |
| Potatoes | — | — | Jan 27 – Feb 17 | — |
| Swiss Chard | — | — | Feb 3 – Mar 3 | Sep 24 – Oct 8 |
| Cilantro | — | — | Feb 3 – Feb 24 | Oct 8 – Oct 29 |
| Green Beans | — | — | Feb 24 – Mar 17 | Sep 17 – Oct 1 |
| Sweet Corn | — | — | Feb 24 – Mar 10 | — |
| Sweet Potatoes | — | Mar 3 – Mar 24 | — | — |
| Garlic | — | — | — | Nov 19 – Dec 24 |
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 Port Orford #2, OR weather station, 9 km away (elevation 43 ft (13 m)).
Frost dates near Sixes
- Port Orford Feb 17 · Dec 3
- Langlois Mar 16 · Nov 29
- Wedderburn Feb 17 · Dec 3
- Ophir Feb 16 · Dec 16
- Bandon Mar 9 · Nov 27
- Powers Mar 21 · Nov 14
- Broadbent Mar 21 · Nov 14
- Myrtle Point Mar 28 · Nov 6
- Agness Mar 30 · Nov 17
- Coquille Mar 28 · Nov 6
Frequently asked questions
When is the last frost in Sixes, OR?
The median last spring frost in Sixes, OR is February 17. There is still about a 10% chance of frost after March 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Sixes, OR?
The median first fall frost is December 3, with about a 10% chance of frost before November 8.
How long is the growing season in Sixes, OR?
About 289 days between the median last spring frost and first fall frost.
What planting zone is Sixes, OR?
Sixes, OR is in USDA hardiness zone 9b.