Frost dates for 89143 — Las Vegas, NV
How Las Vegas compares
- In 8 years out of 10, the last spring frost in Las Vegas falls between February 28 and April 13, a 44-day window. The first fall frost falls between October 21 and November 22.
- The median last frost is 50 days earlier than the Nevada median of May 11.
- Its 230-day growing season is longer than 86% of the 84 Nevada places with a regular frost season (state median 149 days).
- The last frost is 19 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 60 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 28 |
| 50% (median) | March 22 |
| 10% (safe for tender plants) | April 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 7 |
| 90% (late) | November 22 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Las Vegas, NV
Frost dates for 89143 — Las Vegas, NV — last frost Mar 22, first frost Nov 7, zone 9a. whenisthelastfrost.com
When to plant vegetables in Las Vegas, NV
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 28 – Jan 11 | Feb 22 – Mar 8 | — | — |
| Peppers | Jan 11 – Jan 25 | Apr 5 – Apr 19 | — | — |
| Eggplant | Jan 11 – Jan 25 | Apr 5 – Apr 19 | — | — |
| Tomatoes | Jan 25 – Feb 8 | Mar 29 – Apr 12 | — | — |
| Lettuce | Jan 25 – Feb 8 | Mar 1 – Mar 15 | Feb 22 – Mar 29 | Sep 12 – Oct 10 |
| Kale | Jan 25 – Feb 8 | Feb 22 – Mar 8 | Feb 22 – Mar 8 | Aug 29 – Sep 19 |
| Broccoli | Jan 25 – Feb 8 | Mar 8 – Mar 22 | — | Aug 1 – Aug 22 |
| Cabbage | Jan 25 – Feb 8 | Mar 1 – Mar 15 | — | Aug 1 – Aug 22 |
| Cauliflower | Jan 25 – Feb 8 | Mar 8 – Mar 22 | — | Aug 1 – Aug 22 |
| Okra | Feb 8 – Feb 22 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | — |
| Basil | Feb 8 – Feb 22 | Mar 29 – Apr 12 | — | — |
| Peas | — | — | Feb 8 – Mar 1 | Aug 15 – Sep 5 |
| Spinach | — | — | Feb 8 – Mar 1 | Sep 12 – Oct 3 |
| Radishes | — | — | Feb 15 – Mar 29 | Sep 26 – Oct 17 |
| Cucumbers | Feb 22 – Mar 1 | Apr 5 – Apr 12 | Mar 29 – Apr 12 | Aug 22 – Sep 5 |
| Zucchini & Summer Squash | Feb 22 – Mar 1 | — | Mar 29 – Apr 12 | Aug 29 – Sep 12 |
| Winter Squash & Pumpkins | Feb 22 – Mar 1 | — | Mar 29 – Apr 12 | — |
| Melons & Watermelon | Feb 22 – Mar 1 | Apr 5 – Apr 19 | — | — |
| Carrots | — | — | Mar 1 – Mar 29 | Aug 15 – Aug 29 |
| Beets | — | — | Mar 1 – Mar 29 | Aug 29 – Sep 12 |
| Potatoes | — | — | Mar 1 – Mar 22 | — |
| Swiss Chard | — | — | Mar 8 – Apr 5 | Aug 29 – Sep 12 |
| Cilantro | — | — | Mar 8 – Mar 29 | Sep 12 – Oct 3 |
| Green Beans | — | — | Mar 29 – Apr 19 | Aug 22 – Sep 5 |
| Sweet Corn | — | — | Mar 29 – Apr 12 | — |
| Sweet Potatoes | — | Apr 5 – Apr 26 | — | — |
| Garlic | — | — | — | Oct 24 – Nov 28 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Desert Nwr, NV weather station, 14 km away (elevation 2,913 ft (888 m)).
ZIP codes in Las Vegas: 89101 89102 89103 89104 89105 89106 89107 89108 89109 89110 89111 89112 89113 89114 89115 89116 89117 89118 89119 89120 89121 89122 89123 89124 89125 89126 89127 89128 89129 89130 89131 89132 89133 89134 89135 89136 89137 89138 89139 89140 89141 89142 89143 89144 89145 89146 89147 89148 89149 89150 89151 89152 89153 89154 89155 89156 89157 89158 89159 89160 …
Frost dates near Las Vegas
- North Las Vegas Feb 1 · Dec 8
- The Lakes (Clark) Jan 24 · Dec 10
- Nellis Afb Feb 1 · Dec 8
- Blue Diamond Mar 13 · Nov 15
- Coyote Springs Feb 1 · Dec 8
- The Lakes Jan 31 · Dec 11
- Henderson Jan 20 · Dec 15
- Indian Springs Mar 22 · Nov 7
Frequently asked questions
When is the last frost in Las Vegas, NV?
The median last spring frost in Las Vegas, NV is March 22. There is still about a 10% chance of frost after April 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Las Vegas, NV?
The median first fall frost is November 7, with about a 10% chance of frost before October 21.
How long is the growing season in Las Vegas, NV?
About 230 days between the median last spring frost and first fall frost.
What planting zone is Las Vegas, NV?
Las Vegas, NV is in USDA hardiness zone 9a.