USDA hardiness zones in Nevada
| Zone | Avg. extreme minimum | ZIP codes | Example cities |
|---|---|---|---|
| Zone 5a | −20 to −15°F | 3 | — |
| Zone 5b | −15 to −10°F | 7 | Elko |
| Zone 6a | −10 to −5°F | 11 | — |
| Zone 6b | −5 to 0°F | 19 | Winnemucca |
| Zone 7a | 0 to 5°F | 27 | Sparks, Carson City, Fernley, Fallon |
| Zone 7b | 5 to 10°F | 16 | Reno |
| Zone 8a | 10 to 15°F | 2 | — |
| Zone 8b | 15 to 20°F | 14 | — |
| Zone 9a | 20 to 25°F | 37 | Las Vegas, North Las Vegas, Mesquite, Boulder City |
| Zone 9b | 25 to 30°F | 32 | Henderson |
Growing zone and frost dates by city
| City | Zone | Frost dates |
|---|---|---|
| Las Vegas | 9a (20 to 25°F) | Las Vegas frost dates |
| Henderson | 9b (25 to 30°F) | Henderson frost dates |
| North Las Vegas | 9a (20 to 25°F) | North Las Vegas frost dates |
| Reno | 7b (5 to 10°F) | Reno frost dates |
| Sparks | 7a (0 to 5°F) | Sparks frost dates |
| Carson City | 7a (0 to 5°F) | Carson City frost dates |
| Fernley | 7a (0 to 5°F) | Fernley frost dates |
| Mesquite | 9a (20 to 25°F) | Mesquite frost dates |
| Elko | 5b (−15 to −10°F) | Elko frost dates |
| Boulder City | 9a (20 to 25°F) | Boulder City frost dates |
| Fallon | 7a (0 to 5°F) | Fallon frost dates |
| Winnemucca | 6b (−5 to 0°F) | Winnemucca frost dates |
Frequently asked questions
What growing zone is Nevada in?
Nevada’s ZIP codes span USDA zones 5a to 9b, and 9a is the most common. Zones vary with elevation and distance from water, so check your own ZIP code.
When should I plant?
Hardiness zones are about winter cold, not planting dates. For timing, use the last spring frost date for your city on our Nevada frost dates page.