Falls City, OR frost dates
Last spring frostApr 18median date
First fall frostNov 7median date
Growing season203 daysfrost-free
Hardiness zone8bZone 8b
How Falls City compares
- In 8 years out of 10, the last spring frost in Falls City falls between March 27 and May 6, a 40-day window. The first fall frost falls between October 21 and November 24.
- The median last frost is 2 days later than the Oregon median of Apr 16.
- Its 203-day growing season is longer than 57% of the 345 Oregon places with a regular frost season (state median 193 days).
- The last frost is 33 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 70 nights a year at or below 32°F.
- Compared with Salem, OR, 35 km away, the last frost here is 15 days later than there and the growing season is 9 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 27 |
| 50% (median) | April 18 |
| 10% (safe for tender plants) | May 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 7 |
| 90% (late) | November 24 |
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 Falls City, OR
Falls City, OR frost dates — last frost Apr 18, first frost Nov 7, zone 8b. whenisthelastfrost.com
Crop
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Start indoors: Jan 24 to Feb 7Transplant outside: Mar 21 to Apr 4
Start indoors: Feb 7 to Feb 21Transplant outside: May 2 to May 16
Start indoors: Feb 7 to Feb 21Transplant outside: May 2 to May 16
Start indoors: Feb 21 to Mar 7Transplant outside: Apr 25 to May 9
Start indoors: Feb 21 to Mar 7Transplant outside: Mar 28 to Apr 11Sow outdoors: Mar 21 to Apr 25Plant for fall: Sep 12 to Oct 10
Start indoors: Feb 21 to Mar 7Transplant outside: Mar 21 to Apr 4Sow outdoors: Mar 21 to Apr 4Plant for fall: Aug 29 to Sep 19
Start indoors: Feb 21 to Mar 7Transplant outside: Apr 4 to Apr 18Plant for fall: Aug 1 to Aug 22
Start indoors: Feb 21 to Mar 7Transplant outside: Mar 28 to Apr 11Plant for fall: Aug 1 to Aug 22
Start indoors: Feb 21 to Mar 7Transplant outside: Apr 4 to Apr 18Plant for fall: Aug 1 to Aug 22
Start indoors: Mar 7 to Mar 21Transplant outside: May 9 to May 23Sow outdoors: May 9 to May 23
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 25 to May 9
Sow outdoors: Mar 7 to Mar 28Plant for fall: Aug 15 to Sep 5
Sow outdoors: Mar 7 to Mar 28Plant for fall: Sep 12 to Oct 3
Sow outdoors: Mar 14 to Apr 25Plant for fall: Sep 26 to Oct 17
Start indoors: Mar 21 to Mar 28Transplant outside: May 2 to May 9Sow outdoors: Apr 25 to May 9Plant for fall: Aug 22 to Sep 5
Start indoors: Mar 21 to Mar 28Sow outdoors: Apr 25 to May 9Plant for fall: Aug 29 to Sep 12
Start indoors: Mar 21 to Mar 28Sow outdoors: Apr 25 to May 9
Start indoors: Mar 21 to Mar 28Transplant outside: May 2 to May 16
Sow outdoors: Mar 28 to Apr 25Plant for fall: Aug 15 to Aug 29
Sow outdoors: Mar 28 to Apr 25Plant for fall: Aug 29 to Sep 12
Sow outdoors: Mar 28 to Apr 18
Sow outdoors: Apr 4 to May 2Plant for fall: Aug 29 to Sep 12
Sow outdoors: Apr 4 to Apr 25Plant for fall: Sep 12 to Oct 3
Sow outdoors: Apr 25 to May 16Plant for fall: Aug 22 to Sep 5
Sow outdoors: Apr 25 to May 9
Transplant outside: May 2 to May 23
Plant for fall: Oct 24 to Nov 28
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Falls City, OR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 24 – Feb 7 | Mar 21 – Apr 4 | — | — |
| Peppers | Feb 7 – Feb 21 | May 2 – May 16 | — | — |
| Eggplant | Feb 7 – Feb 21 | May 2 – May 16 | — | — |
| Tomatoes | Feb 21 – Mar 7 | Apr 25 – May 9 | — | — |
| Lettuce | Feb 21 – Mar 7 | Mar 28 – Apr 11 | Mar 21 – Apr 25 | Sep 12 – Oct 10 |
| Kale | Feb 21 – Mar 7 | Mar 21 – Apr 4 | Mar 21 – Apr 4 | Aug 29 – Sep 19 |
| Broccoli | Feb 21 – Mar 7 | Apr 4 – Apr 18 | — | Aug 1 – Aug 22 |
| Cabbage | Feb 21 – Mar 7 | Mar 28 – Apr 11 | — | Aug 1 – Aug 22 |
| Cauliflower | Feb 21 – Mar 7 | Apr 4 – Apr 18 | — | Aug 1 – Aug 22 |
| Okra | Mar 7 – Mar 21 | May 9 – May 23 | May 9 – May 23 | — |
| Basil | Mar 7 – Mar 21 | Apr 25 – May 9 | — | — |
| Peas | — | — | Mar 7 – Mar 28 | Aug 15 – Sep 5 |
| Spinach | — | — | Mar 7 – Mar 28 | Sep 12 – Oct 3 |
| Radishes | — | — | Mar 14 – Apr 25 | Sep 26 – Oct 17 |
| Cucumbers | Mar 21 – Mar 28 | May 2 – May 9 | Apr 25 – May 9 | Aug 22 – Sep 5 |
| Zucchini & Summer Squash | Mar 21 – Mar 28 | — | Apr 25 – May 9 | Aug 29 – Sep 12 |
| Winter Squash & Pumpkins | Mar 21 – Mar 28 | — | Apr 25 – May 9 | — |
| Melons & Watermelon | Mar 21 – Mar 28 | May 2 – May 16 | — | — |
| Carrots | — | — | Mar 28 – Apr 25 | Aug 15 – Aug 29 |
| Beets | — | — | Mar 28 – Apr 25 | Aug 29 – Sep 12 |
| Potatoes | — | — | Mar 28 – Apr 18 | — |
| Swiss Chard | — | — | Apr 4 – May 2 | Aug 29 – Sep 12 |
| Cilantro | — | — | Apr 4 – Apr 25 | Sep 12 – Oct 3 |
| Green Beans | — | — | Apr 25 – May 16 | Aug 22 – Sep 5 |
| Sweet Corn | — | — | Apr 25 – May 9 | — |
| Sweet Potatoes | — | May 2 – May 23 | — | — |
| Garlic | — | — | — | Oct 24 – Nov 28 |
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 Falls City 2 Ssw, OR weather station, 4 km away (elevation 689 ft (210 m)).
Frost dates near Falls City
- Dallas Apr 16 · Nov 1
- Monmouth Apr 16 · Nov 1
- Independence Apr 16 · Nov 1
- Willamina May 20 · Oct 23
- Sheridan Apr 16 · Nov 1
- Rickreall Apr 16 · Nov 1
- Grand Ronde May 20 · Oct 23
- Blodgett May 15 · Oct 8
- Logsden Mar 12 · Dec 10
- Amity Apr 15 · Oct 26
Frequently asked questions
When is the last frost in Falls City, OR?
The median last spring frost in Falls City, OR is April 18. There is still about a 10% chance of frost after May 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Falls City, OR?
The median first fall frost is November 7, with about a 10% chance of frost before October 21.
How long is the growing season in Falls City, OR?
About 203 days between the median last spring frost and first fall frost.
What planting zone is Falls City, OR?
Falls City, OR is in USDA hardiness zone 8b.