Frost dates for Cherry Valley Dam, CA
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
May 2
typical year
Safe to plant
May 29
frost is over in 9 of 10 years
First fall frost
November 4
typical year
Growing season
183 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 | – | Apr 4 – 18 | – |
| Spinach | – | Mar 21 – Apr 11 | Sep 9 – 23 |
| Lettuce | – | Apr 4 – 25 | Sep 9 – 23 |
| Radishes | – | Apr 4 – May 16 | Sep 23 – Oct 7 |
| Onions | – | Apr 4 – 18 | – |
| Potatoes | – | Apr 11 – 25 | – |
| Carrots | – | Apr 11 – May 2 | Aug 12 – 26 |
| Beets | – | Apr 4 – 18 | Aug 26 – Sep 9 |
| Kale | Feb 21 – Mar 7 | Apr 4 – 18 | Aug 26 – Sep 9 |
| Broccoli | Feb 21 – Mar 7 | Apr 18 – May 2 | Aug 26 – Sep 9 |
| Cabbage | Feb 7 – 21 | Apr 4 – 18 | Aug 26 – Sep 9 |
| Garlic | – | – | Sep 23 – Oct 14 |
| Warm-season crops | |||
| Tomatoes | Apr 3 – 17 | May 29 – Jun 12 | – |
| Peppers | Mar 27 – Apr 10 | Jun 5 – 19 | – |
| Cucumbers | – | May 29 – Jun 19 | – |
| Zucchini | – | May 29 – Jun 26 | – |
| Pumpkins | – | May 29 – Jun 19 | – |
| Green beans | – | May 29 – Aug 26 | – |
| Sweet corn | – | May 29 – Jun 26 | – |
| Basil | Apr 24 – May 8 | Jun 5 – 12 | – |
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 | May 29 | May 2 | April 14 |
| Fall frost before | October 15 | November 4 | November 22 |
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 April 16 (May 10 in a late year), and the first one in fall around November 20.
Where these dates come from
NOAA weather station CHERRY VALLEY DAM, CA US (USC00041697), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 18 miles:
95335, 95375
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.