Cold Hardiness

Arizona

CityUSDA
Bisbee8
Casa Grande9
Douglas8
Flagstaff5
Globe9
Kingman8
Nogales8
Page8
Phoenix10

CityUSDA
Prescott7
Scottsdale10
Sedona8
Sierra Vista8
Tucson9
Wilcox8
Winslow7
Yuma10

California

CityUSDA
Anaheim10
Baker8
Bakersfield9
Barstow9
Escondido9
Fullerton10
Irvine10
Long Beach11
Los Angeles10
Modesto9
Needles10
Ontario10
Orange10
Palm Desert10

CityUSDA
Palm Springs10
Pasadena10
Pomona10
Riverside10
San Bernadino10
San Diego10
San Francisco 10
San Juan Capistrano10
Santa Ana10
Santa Barbara10
Santa Monica11
Sausalito9
Twentynine Palms9
Victorville9

Colorado

CityUSDA
Colorado Springs5
Denver5
Durango3
Fort Collins4

CityUSDA
Grand Junction6
Pueblo5
Telluride4

Nevada

CityUSDA
Boulder City9
Carson City6
Ely5
Henderson9
Las Vegas9
Laughlin10

CityUSDA
Mesquite 8
Pahrump8
Reno6
Tonopah6
Winnemucca6

New Mexico

CityUSDA
Alamogordo8
Albuquerque6
Farmington7
Gallup5
Las Cruces8

CityUSDA
Lordsburg7
Roswell7
Santa Fe6
Taos5

Texas

CityUSDA
Amarillo6
Austin9
Dallas8
El Paso8
Houston9

CityUSDA
Lubbock7
Nacogdoches8
San Antonio9
Waco8

Utah

CityUSDA
Cedar City6
Logan4
Moab6
Ogden4

CityUSDA
Provo4
Salt Lake City5
St. George7

Interactive Map

Get all the cold hardiness information you need with the interactive map on the USDA website.