Frost dates for Hemet, 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
January 10
typical year
Safe to plant
February 25
frost is over in 9 of 10 years
First fall frost
December 23
typical year
Growing season
350 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 | – | Dec 13 – 27 | – |
| Spinach | – | Nov 29 – Dec 20 | Oct 28 – Nov 11 |
| Lettuce | – | Dec 13 – Jan 3 | Oct 28 – Nov 11 |
| Radishes | – | Dec 13 – Jan 24 | Nov 11 – 25 |
| Onions | – | Dec 13 – 27 | – |
| Potatoes | – | Dec 20 – Jan 3 | – |
| Carrots | – | Dec 20 – Jan 10 | Sep 30 – Oct 14 |
| Beets | – | Dec 13 – 27 | Oct 14 – 28 |
| Kale | Nov 1 – 15 | Dec 13 – 27 | Oct 14 – 28 |
| Broccoli | Nov 1 – 15 | Dec 27 – Jan 10 | Oct 14 – 28 |
| Cabbage | Oct 18 – Nov 1 | Dec 13 – 27 | Oct 14 – 28 |
| Garlic | – | – | Nov 11 – Dec 2 |
| Warm-season crops | |||
| Tomatoes | Dec 31 – Jan 14 | Feb 25 – Mar 11 | – |
| Peppers | Dec 24 – Jan 7 | Mar 4 – 18 | – |
| Cucumbers | – | Feb 25 – Mar 18 | – |
| Zucchini | – | Feb 25 – Mar 25 | – |
| Pumpkins | – | Feb 25 – Mar 18 | – |
| Green beans | – | Feb 25 – Oct 14 | – |
| Sweet corn | – | Feb 25 – Mar 25 | – |
| Basil | Jan 21 – Feb 4 | Mar 4 – 11 | – |
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 | February 25 | January 10 | December 14 |
| Fall frost before | November 27 | December 23 | January 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 December 27 (January 30 in a late year), and the first one in fall around December 25.
Where these dates come from
NOAA weather station HEMET, CA US (USC00043896), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 6 miles:
92543, 92544
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.