| City | Population | Last spring frost | First fall frost | Growing season | Zone |
|---|---|---|---|---|---|
| Las Vegas | 679,817 | Jan 24 | Dec 10 | 323 days | 9a |
| Henderson | 353,289 | Jan 20 | Dec 15 | 333 days | 9b |
| North Las Vegas | 296,653 | Feb 1 | Dec 8 | 311 days | 9a |
| Reno | 283,621 | Apr 28 | Oct 27 | 182 days | 7b |
| Sparks | 111,902 | May 1 | Oct 10 | 160 days | 7a |
| Carson City | 58,571 | May 4 | Oct 6 | 152 days | 7a |
| Fernley | 26,214 | Apr 18 | Oct 25 | 188 days | 7a |
| Mesquite | 24,001 | Mar 16 | Nov 13 | 238 days | 9a |
| Elko | 21,019 | May 29 | Sep 18 | 111 days | 5b |
| Boulder City | 14,884 | Jan 21 | Dec 17 | 328 days | 9a |
| Fallon | 9,570 | May 12 | Oct 1 | 139 days | 7a |
| Winnemucca | 8,307 | May 23 | Sep 29 | 129 days | 6b |