When to plant Rhubarb in California
In spring, from Mar 1 – Apr 1 in Clearlake to May 15 – June 1 in Truckee.
In fall, from Sept 15 – Nov 1 in Truckee to Nov 1 – Dec 1 in Tehachapi.
Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Adelanto | Not listed | Not listed |
| Agoura Hills | Not listed | Not listed |
| Alameda | — | Not listed |
| Albany | — | Not listed |
| Alhambra | — | Not listed |
| Aliso Viejo | — | Not listed |
| American Canyon | Not listed | Not listed |
| Anaheim | — | Not listed |
| Anderson | Not listed | Not listed |
| Antioch | — | Not listed |
| Apple Valley | Not listed | Not listed |
| Arcadia | — | Not listed |
| Arcata | Not listed | Not listed |
| Arroyo Grande | Not listed | Not listed |
| Artesia | — | Not listed |
| Arvin | Not listed | Not listed |
| Atascadero | Not listed | Not listed |
| Atwater | Not listed | Not listed |
| Auburn | Not listed | Not listed |
| Avenal | Not listed | Not listed |
| Azusa | — | Not listed |
| Bakersfield | Not listed | Not listed |
| Baldwin Park | — | Not listed |
| Banning | Not listed | Not listed |
| Barstow | Not listed | Not listed |
| Beaumont | Not listed | Not listed |
| Bell | — | — |
| Bell Gardens | — | — |
| Bellflower | — | — |
| Belmont | Not listed | Not listed |
| Benicia | Not listed | Not listed |
| Berkeley | — | Not listed |
| Beverly Hills | — | — |
| Blythe | Not listed | Not listed |
| Brawley | Not listed | Not listed |
| Brea | — | Not listed |
| Brentwood | — | Not listed |
| Buena Park | — | — |
| Burbank | — | Not listed |
| Burlingame | — | Not listed |
| Calabasas | Not listed | Not listed |
| Calexico | — | Not listed |
| California City | Not listed | Not listed |
| Calimesa | Not listed | Not listed |
| Camarillo | — | Not listed |
| Campbell | Not listed | Not listed |
| Canyon Lake | Not listed | Not listed |
| Carlsbad | Not listed | Not listed |
| Carpinteria | — | — |
| Carson | — | — |
| Cathedral City | — | — |
| Ceres | Not listed | Not listed |
| Cerritos | — | Not listed |
| Chico | Not listed | Not listed |
| Chino | Not listed | Not listed |
| Chino Hills | Not listed | Not listed |
| Chowchilla | Not listed | Not listed |
| Chula Vista | — | Not listed |
| Citrus Heights | — | Not listed |
| Claremont | — | Not listed |
| Clayton | Not listed | Not listed |
| Clearlake | Mar 1 – Apr 1 | Not listed |
| Clovis | — | Not listed |
| Coachella | — | Not listed |
| Coalinga | Not listed | Not listed |
| Colton | — | Not listed |
| Commerce | — | — |
| Compton | — | — |
| Concord | — | Not listed |
| Corcoran | Not listed | Not listed |
| Corona | Not listed | Not listed |
| Coronado | — | — |
| Corte Madera | Not listed | Not listed |
| Costa Mesa | — | — |
| Covina | — | Not listed |
| Cudahy | — | — |
| Culver City | — | — |
| Cupertino | — | Not listed |
| Cypress | — | — |
| Daly City | — | Not listed |
| Dana Point | — | Not listed |
| Danville | Not listed | Not listed |
| Davis | Not listed | Not listed |
| Delano | Not listed | Not listed |
| Desert Hot Springs | Not listed | Not listed |
| Diamond Bar | — | Not listed |
| Dinuba | Not listed | Not listed |
| Dixon | Not listed | Not listed |
| Downey | — | — |
| Duarte | Mar 20 – Apr 15 | Not listed |
| Dublin | Not listed | Not listed |
| East Palo Alto | Not listed | Not listed |
| Eastvale | Not listed | Not listed |
| El Cajon | — | Not listed |
| El Centro | — | Not listed |
| El Cerrito | — | Not listed |
| El Monte | — | Not listed |
| El Paso de Robles (Paso Robles) | Not listed | Not listed |
| El Segundo | — | — |
| Elk Grove | Not listed | Not listed |
| Emeryville | — | Not listed |
| Encinitas | — | Not listed |
| Escondido | — | Not listed |
| Eureka | Not listed | Not listed |
| Exeter | Not listed | Not listed |
| Fairfield | Not listed | Not listed |
| Farmersville | Not listed | Not listed |
| Fillmore | — | Not listed |
| Folsom | — | Not listed |
| Fontana | — | Not listed |
| Fortuna | Not listed | Not listed |
| Foster City | Not listed | Not listed |
| Fountain Valley | — | — |
| Fremont | — | Not listed |
| Fresno | — | Not listed |
| Fullerton | — | — |
| Galt | Not listed | Not listed |
| Garden Grove | — | — |
| Gardena | — | — |
| Gilroy | Not listed | Not listed |
| Glendale | — | Not listed |
| Glendora | — | Not listed |
| Goleta | — | Not listed |
| Grand Terrace | — | Not listed |
| Grass Valley | Mar 1 – Apr 1 | Not listed |
| Greenfield | Not listed | Not listed |
| Grover Beach | Not listed | Not listed |
| Half Moon Bay | Not listed | Not listed |
| Hanford | Not listed | Not listed |
| Hawaiian Gardens | — | — |
| Hawthorne | — | — |
| Hayward | — | Not listed |
| Healdsburg | Not listed | Not listed |
| Hemet | Not listed | Not listed |
| Hercules | Not listed | Not listed |
| Hermosa Beach | — | — |
| Hesperia | Not listed | Not listed |
| Highland | Not listed | Not listed |
| Hillsborough | — | Not listed |
| Hollister | Not listed | Not listed |
| Huntington Beach | — | — |
| Huntington Park | — | — |
| Imperial | — | Not listed |
| Imperial Beach | — | Not listed |
| Indio | — | Not listed |
| Inglewood | — | — |
| Irvine | — | Not listed |
| Jurupa Valley | — | Not listed |
| Kerman | Not listed | Not listed |
| King City | Not listed | Not listed |
| Kingsburg | Not listed | Not listed |
| La Cañada Flintridge | — | — |
| La Habra | — | Not listed |
| La Mesa | — | Not listed |
| La Mirada | — | Not listed |
| La Palma | — | — |
| La Puente | — | Not listed |
| La Quinta | — | Not listed |
| La Verne | — | Not listed |
| Lafayette | — | Not listed |
| Laguna Beach | — | Not listed |
| Laguna Hills | — | Not listed |
| Laguna Niguel | — | Not listed |
| Laguna Woods | — | Not listed |
| Lake Elsinore | Not listed | Not listed |
| Lake Forest | — | Not listed |
| Lakewood | — | — |
| Lancaster | Not listed | Nov 1 – Dec 1Soon |
| Larkspur | Not listed | Not listed |
| Lathrop | Not listed | Not listed |
| Lawndale | — | — |
| Lemon Grove | — | Not listed |
| Lemoore | Not listed | Not listed |
| Lincoln | Not listed | Not listed |
| Lindsay | Not listed | Not listed |
| Livermore | Not listed | Not listed |
| Livingston | — | Not listed |
| Lodi | Not listed | Not listed |
| Loma Linda | Not listed | Not listed |
| Lomita | — | — |
| Lompoc | Not listed | Not listed |
| Long Beach | — | — |
| Los Alamitos | — | — |
| Los Altos | — | Not listed |
| Los Angeles | — | — |
| Los Banos | Not listed | Not listed |
| Los Gatos | Not listed | Not listed |
| Lynwood | — | — |
| Madera | Not listed | Not listed |
| Malibu | — | — |
| Manhattan Beach | — | — |
| Manteca | Not listed | Not listed |
| Marina | Not listed | Not listed |
| Martinez | Not listed | Not listed |
| Marysville | Not listed | Not listed |
| Maywood | — | — |
| McFarland | Not listed | Not listed |
| Mendota | Not listed | Not listed |
| Menifee | Not listed | Not listed |
| Menlo Park | Not listed | Not listed |
| Merced | Not listed | Not listed |
| Mill Valley | Not listed | Not listed |
| Millbrae | — | Not listed |
| Milpitas | — | Not listed |
| Mission Viejo | — | Not listed |
| Modesto | Not listed | Not listed |
| Monrovia | Mar 20 – Apr 15 | Not listed |
| Montclair | — | Not listed |
| Montebello | — | Not listed |
| Monterey | — | Not listed |
| Monterey Park | — | Not listed |
| Moorpark | — | Not listed |
| Moraga | — | Not listed |
| Moreno Valley | Not listed | Not listed |
| Morgan Hill | Not listed | Not listed |
| Morro Bay | Not listed | — |
| Mountain View | — | Not listed |
| Murrieta | Not listed | — |
| Napa | Not listed | Not listed |
| National City | — | — |
| Newark | — | Not listed |
| Newman | Not listed | Not listed |
| Newport Beach | — | — |
| Norco | Not listed | Not listed |
| Norwalk | — | Not listed |
| Novato | — | Not listed |
| Oakdale | Not listed | Not listed |
| Oakland | — | Not listed |
| Oakley | — | Not listed |
| Oceanside | Not listed | Not listed |
| Ontario | — | Not listed |
| Orange | — | — |
| Orinda | — | Not listed |
| Oroville | Not listed | Not listed |
| Oxnard | — | Not listed |
| Pacific Grove | — | Not listed |
| Pacifica | — | — |
| Palm Desert | — | Not listed |
| Palm Springs | — | Not listed |
| Palmdale | Not listed | Not listed |
| Palo Alto | Not listed | Not listed |
| Palos Verdes Estates | — | — |
| Paramount | — | — |
| Parlier | Not listed | Not listed |
| Pasadena | — | — |
| Patterson | Not listed | Not listed |
| Perris | Not listed | Not listed |
| Petaluma | Not listed | Not listed |
| Pico Rivera | — | Not listed |
| Piedmont | — | Not listed |
| Pinole | — | Not listed |
| Pittsburg | — | Not listed |
| Placentia | — | Not listed |
| Placerville | Not listed | Not listed |
| Pleasant Hill | — | Not listed |
| Pleasanton | Not listed | Not listed |
| Pomona | — | Not listed |
| Port Hueneme | — | Not listed |
| Porterville | Not listed | Not listed |
| Poway | — | Not listed |
| Rancho Cordova | — | Not listed |
| Rancho Cucamonga | — | Not listed |
| Rancho Mirage | — | — |
| Rancho Palos Verdes | — | — |
| Rancho Santa Margarita | — | Not listed |
| Red Bluff | Not listed | Not listed |
| Redding | Not listed | Not listed |
| Redlands | Not listed | Not listed |
| Redondo Beach | — | — |
| Redwood City | Not listed | Not listed |
| Reedley | Not listed | Not listed |
| Rialto | — | Not listed |
| Richmond | — | Not listed |
| Ridgecrest | Not listed | Not listed |
| Rio Vista | — | Not listed |
| Ripon | Not listed | Not listed |
| Riverbank | Not listed | Not listed |
| Riverside | — | Not listed |
| Rocklin | Not listed | Not listed |
| Rohnert Park | Not listed | Not listed |
| Rosemead | — | Not listed |
| Roseville | Not listed | Not listed |
| Sacramento | — | Not listed |
| Salinas | Not listed | Not listed |
| San Anselmo | — | Not listed |
| San Bernardino | Not listed | Not listed |
| San Bruno | — | — |
| San Buenaventura (Ventura) | — | Not listed |
| San Carlos | Not listed | Not listed |
| San Clemente | — | Not listed |
| San Diego | — | — |
| San Dimas | — | Not listed |
| San Fernando | — | Not listed |
| San Francisco | — | Not listed |
| San Gabriel | — | Not listed |
| San Jacinto | Not listed | Not listed |
| San Jose | — | Not listed |
| San Juan Capistrano | — | Not listed |
| San Leandro | — | Not listed |
| San Luis Obispo | Not listed | Not listed |
| San Marcos | — | Not listed |
| San Marino | — | — |
| San Mateo | — | Not listed |
| San Pablo | — | Not listed |
| San Rafael | — | Not listed |
| San Ramon | Not listed | Not listed |
| Sanger | Not listed | Not listed |
| Santa Ana | — | — |
| Santa Barbara | — | — |
| Santa Clara | — | Not listed |
| Santa Clarita | — | Not listed |
| Santa Cruz | Not listed | Not listed |
| Santa Fe Springs | — | Not listed |
| Santa Maria | Not listed | Not listed |
| Santa Monica | — | — |
| Santa Paula | — | Not listed |
| Santa Rosa | Not listed | Not listed |
| Santee | — | Not listed |
| Saratoga | Not listed | Not listed |
| Scotts Valley | Not listed | Not listed |
| Seal Beach | — | — |
| Seaside | — | Not listed |
| Selma | Not listed | Not listed |
| Shafter | Not listed | Not listed |
| Shasta Lake | Not listed | Not listed |
| Sierra Madre | Mar 20 – Apr 15 | Not listed |
| Signal Hill | — | — |
| Simi Valley | Not listed | Not listed |
| Solana Beach | — | Not listed |
| Soledad | Mar 10 – Apr 10 | Nov 1 – Dec 1Soon |
| Sonoma | Not listed | Not listed |
| South El Monte | — | Not listed |
| South Gate | — | — |
| South Lake Tahoe | May 15 – June 1 | Oct 1 – Nov 1Now |
| South Pasadena | — | — |
| South San Francisco | — | Not listed |
| Stanton | — | — |
| Stockton | Not listed | Not listed |
| Suisun City | Not listed | Not listed |
| Sunnyvale | — | Not listed |
| Susanville | Apr 15 – May 10 | Oct 15 – Nov 15Now |
| Tehachapi | Mar 20 – Apr 15 | Nov 1 – Dec 1Soon |
| Temecula | Not listed | — |
| Temple City | — | Not listed |
| Thousand Oaks | — | Not listed |
| Torrance | — | — |
| Tracy | Not listed | Not listed |
| Truckee | May 15 – June 1 | Sept 15 – Nov 1Now |
| Tulare | Not listed | Not listed |
| Turlock | — | Not listed |
| Tustin | — | Not listed |
| Twentynine Palms | Not listed | Not listed |
| Ukiah | Not listed | Not listed |
| Union City | — | Not listed |
| Upland | — | Not listed |
| Vacaville | Not listed | Not listed |
| Vallejo | Not listed | Not listed |
| Victorville | Not listed | Not listed |
| Visalia | Not listed | Not listed |
| Vista | Not listed | — |
| Walnut | — | Not listed |
| Walnut Creek | — | Not listed |
| Wasco | Not listed | Not listed |
| Watsonville | Not listed | Not listed |
| West Covina | — | Not listed |
| West Hollywood | — | — |
| West Sacramento | Not listed | Not listed |
| Westminster | — | — |
| Whittier | — | Not listed |
| Wildomar | Not listed | Not listed |
| Windsor | Not listed | Not listed |
| Woodland | Not listed | Not listed |
| Yorba Linda | Not listed | Not listed |
| Yuba City | Not listed | Not listed |
| Yucaipa | Not listed | Not listed |
| Yucca Valley | Not listed | Not listed |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for rhubarb.