Frost dates for Cloverdale, OR
When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.
Last spring frost
March 17
typical year
Safe to plant
April 15
frost is over in 9 of 10 years
First fall frost
November 22
typical year
Growing season
251 days
frost-free, typical year
Frost watch this week
Tonight's and the next six nights' lows from the National Weather Service forecast for the station's location. Frost: 32°F or colder. Possible frost: 33–36°F, mostly in low spots on clear, still nights.
When to plant
Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.
| Crop | Start indoors | Plant outside | Fall planting |
|---|---|---|---|
| Cool-season crops | |||
| Peas | – | Feb 17 – Mar 3 | – |
| Spinach | – | Feb 3 – 24 | Sep 27 – Oct 11 |
| Lettuce | – | Feb 17 – Mar 10 | Sep 27 – Oct 11 |
| Radishes | – | Feb 17 – Mar 31 | Oct 11 – 25 |
| Onions | – | Feb 17 – Mar 3 | – |
| Potatoes | – | Feb 24 – Mar 10 | – |
| Carrots | – | Feb 24 – Mar 17 | Aug 30 – Sep 13 |
| Beets | – | Feb 17 – Mar 3 | Sep 13 – 27 |
| Kale | Jan 6 – 20 | Feb 17 – Mar 3 | Sep 13 – 27 |
| Broccoli | Jan 6 – 20 | Mar 3 – 17 | Sep 13 – 27 |
| Cabbage | Dec 23 – Jan 6 | Feb 17 – Mar 3 | Sep 13 – 27 |
| Garlic | – | – | Oct 11 – Nov 1 |
| Warm-season crops | |||
| Tomatoes | Feb 18 – Mar 4 | Apr 15 – 29 | – |
| Peppers | Feb 11 – 25 | Apr 22 – May 6 | – |
| Cucumbers | – | Apr 15 – May 6 | – |
| Zucchini | – | Apr 15 – May 13 | – |
| Pumpkins | – | Apr 15 – May 6 | – |
| Green beans | – | Apr 15 – Sep 13 | – |
| Sweet corn | – | Apr 15 – May 13 | – |
| Basil | Mar 11 – 25 | Apr 22 – 29 | – |
Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.
The year at a glance
Start indoors Plant outside Fall planting
The chance of frost, by date
| 1 year in 10 | Half of years | 9 years in 10 | |
|---|---|---|---|
| Spring frost after | April 15 | March 17 | February 9 |
| Fall frost before | October 26 | November 22 | December 31 |
Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.
Hard freeze (28°F)
A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around January 25 (February 28 in a late year), and the first one in fall around December 13.
Where these dates come from
NOAA weather station CLOVERDALE, OR US (USC00351682), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 5 miles:
97112, 97122, 97135
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.