Frost dates for Lake Havasu City, AZ
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 5
typical year
Safe to plant
February 3
frost is over in 9 of 10 years
First fall frost
December 29
typical year
Growing season
365 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 8 – 22 | – |
| Spinach | – | Nov 24 – Dec 15 | Nov 3 – 17 |
| Lettuce | – | Dec 8 – 29 | Nov 3 – 17 |
| Radishes | – | Dec 8 – Jan 19 | Nov 17 – Dec 1 |
| Onions | – | Dec 8 – 22 | – |
| Potatoes | – | Dec 15 – 29 | – |
| Carrots | – | Dec 15 – Jan 5 | Oct 6 – 20 |
| Beets | – | Dec 8 – 22 | Oct 20 – Nov 3 |
| Kale | Oct 27 – Nov 10 | Dec 8 – 22 | Oct 20 – Nov 3 |
| Broccoli | Oct 27 – Nov 10 | Dec 22 – Jan 5 | Oct 20 – Nov 3 |
| Cabbage | Oct 13 – 27 | Dec 8 – 22 | Oct 20 – Nov 3 |
| Garlic | – | – | Nov 17 – Dec 8 |
| Warm-season crops | |||
| Tomatoes | Dec 9 – 23 | Feb 3 – 17 | – |
| Peppers | Dec 2 – 16 | Feb 10 – 24 | – |
| Cucumbers | – | Feb 3 – 24 | – |
| Zucchini | – | Feb 3 – Mar 3 | – |
| Pumpkins | – | Feb 3 – 24 | – |
| Green beans | – | Feb 3 – Oct 20 | – |
| Sweet corn | – | Feb 3 – Mar 3 | – |
| Basil | Dec 30 – Jan 13 | Feb 10 – 17 | – |
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 3 | January 5 | December 17 |
| Fall frost before | December 9 | December 29 | January 24 |
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 n/a (n/a in a late year), and the first one in fall around n/a.
Towns that use these dates
This is the nearest NOAA station with frost records for 1 town.
Lake Havasu City
Where these dates come from
NOAA weather station LAKE HAVASU CITY, AZ US (USC00024761), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 7 miles:
86403, 86404
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.