Frost dates for Yreka, 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
April 30
typical year
Safe to plant
May 20
frost is over in 9 of 10 years
First fall frost
October 18
typical year
Growing season
169 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 2 – 16 | – |
| Spinach | – | Mar 19 – Apr 9 | Aug 23 – Sep 6 |
| Lettuce | – | Apr 2 – 23 | Aug 23 – Sep 6 |
| Radishes | – | Apr 2 – May 14 | Sep 6 – 20 |
| Onions | – | Apr 2 – 16 | – |
| Potatoes | – | Apr 9 – 23 | – |
| Carrots | – | Apr 9 – 30 | Jul 26 – Aug 9 |
| Beets | – | Apr 2 – 16 | Aug 9 – 23 |
| Kale | Feb 19 – Mar 5 | Apr 2 – 16 | Aug 9 – 23 |
| Broccoli | Feb 19 – Mar 5 | Apr 16 – 30 | Aug 9 – 23 |
| Cabbage | Feb 5 – 19 | Apr 2 – 16 | Aug 9 – 23 |
| Garlic | – | – | Sep 6 – 27 |
| Warm-season crops | |||
| Tomatoes | Mar 25 – Apr 8 | May 20 – Jun 3 | – |
| Peppers | Mar 18 – Apr 1 | May 27 – Jun 10 | – |
| Cucumbers | – | May 20 – Jun 10 | – |
| Zucchini | – | May 20 – Jun 17 | – |
| Pumpkins | – | May 20 – Jun 10 | – |
| Green beans | – | May 20 – Aug 9 | – |
| Sweet corn | – | May 20 – Jun 17 | – |
| Basil | Apr 15 – 29 | May 27 – Jun 3 | – |
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 20 | April 30 | April 14 |
| Fall frost before | October 3 | October 18 | November 2 |
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 12 (May 3 in a late year), and the first one in fall around November 1.
Towns that use these dates
This is the nearest NOAA station with frost records for 2 towns.
Yreka, Fort Jones
Where these dates come from
NOAA weather station YREKA, CA US (USC00049866), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 23 miles:
96038, 96050, 96085, 96097
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.