Frost dates for Las Vegas Wfo, NV
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
February 4
typical year
Safe to plant
February 27
frost is over in 9 of 10 years
First fall frost
December 5
typical year
Growing season
302 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 | – | Jan 7 – 21 | – |
| Spinach | – | Dec 24 – Jan 14 | Oct 10 – 24 |
| Lettuce | – | Jan 7 – 28 | Oct 10 – 24 |
| Radishes | – | Jan 7 – Feb 18 | Oct 24 – Nov 7 |
| Onions | – | Jan 7 – 21 | – |
| Potatoes | – | Jan 14 – 28 | – |
| Carrots | – | Jan 14 – Feb 4 | Sep 12 – 26 |
| Beets | – | Jan 7 – 21 | Sep 26 – Oct 10 |
| Kale | Nov 26 – Dec 10 | Jan 7 – 21 | Sep 26 – Oct 10 |
| Broccoli | Nov 26 – Dec 10 | Jan 21 – Feb 4 | Sep 26 – Oct 10 |
| Cabbage | Nov 12 – 26 | Jan 7 – 21 | Sep 26 – Oct 10 |
| Garlic | – | – | Oct 24 – Nov 14 |
| Warm-season crops | |||
| Tomatoes | Jan 2 – 16 | Feb 27 – Mar 13 | – |
| Peppers | Dec 26 – Jan 9 | Mar 6 – 20 | – |
| Cucumbers | – | Feb 27 – Mar 20 | – |
| Zucchini | – | Feb 27 – Mar 27 | – |
| Pumpkins | – | Feb 27 – Mar 20 | – |
| Green beans | – | Feb 27 – Sep 26 | – |
| Sweet corn | – | Feb 27 – Mar 27 | – |
| Basil | Jan 23 – Feb 6 | Mar 6 – 13 | – |
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 27 | February 4 | January 10 |
| Fall frost before | November 19 | December 5 | December 23 |
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 13 (February 11 in a late year), and the first one in fall around December 20.
Where these dates come from
NOAA weather station LAS VEGAS WFO, NV US (USC00264439), 1991–2020 climate normals. It's the nearest station for 12 zip codes, all within 10 miles:
89044, 89052, 89054, 89113, 89118, 89123, 89139, 89141, 89147, 89148, 89178, 89183
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.