| Year |
Dates |
Host Society |
Place |
| 1947 |
October 18-19 |
San Francisco Rose Society |
San Francisco |
| 1948 |
|
Santa Clara County Rose Society |
San Jose |
| 1949 |
|
|
|
| 1950 |
May 27-28 |
East Bay Rose Society
| |
| 1951 |
|
San Francisco Rose Society |
|
| 1952 |
|
Santa Clara County Rose Society |
San Jose |
| 1953 |
October 18-19 |
San Joaquin Valley Rose Society |
Fresno |
| 1954 |
|
San Francisco Rose Society |
San Francisco |
| 1955 |
|
Sacramento Rose Society |
Sacramento |
| 1956 |
|
Stockton Rose Society |
Stockton |
| 1957 |
|
East Bay Rose Society |
|
| 1958 |
|
San Mateo Rose Society |
Palo Alto |
| 1959 |
October 17-18 |
San Joaquin Valley Rose Society |
Fresno |
| 1960 |
September 9-10 |
Reno Rose Society |
Reno |
| 1961 |
October 7-8 |
San Francisco Rose Society |
San Francisco |
| 1962 |
October 6-8 |
Peninsula Rose Society |
Palo Alto |
| 1963 |
|
Sacramento Rose Society |
Sacramento |
| 1964 |
|
San Clara County Rose Society |
San Jose |
| 1965 |
|
East Bay Rose Society |
|
| 1966 |
September 24-25 |
San Mateo County Rose Society |
Burlingame |
| 1967 |
|
Stockton Rose Society |
Stockton |
| 1968 |
|
San Joaquin Valley Rose Society |
Fresno |
| 1969 |
September 12-14 |
Sierra Foothills Rose Society |
Sacramento |
| 1970 |
October 9-11 |
San Francisco Rose Society |
San Francisco |
| 1971 |
September 25 |
East Bay Rose Society |
Berkeley |
| 1972 |
September 23-24 |
Sacramento Rose Society |
Sacramento |
| 1973 |
September 28-29 |
Humboldt Rose Society |
Eureka |
| 1974 |
September 27-29 |
Redwood Empire Rose Society |
Santa Rosa |
| 1975 |
September 26-28 |
San Mateo Rose Society |
|
| 1976 |
September 24-26 |
Santa Clara County Rose Society |
San Jose |
| 1977 |
September 23-25 |
Central Valley Rose Society |
Stockton |
| 1978 |
October 6-8 |
San Joaquin Valley Rose Society |
Fresno |
| 1979 |
September 28-30 |
Peninsula Rose Society |
Palo Alto |
| 1980 |
September 26-28 |
Sacramento Rose Society |
Sacramento |
| 1981 |
September 25-27 |
San Francisco/Marin Rose Societies |
San Rafael |
| 1982 |
October 1-3 |
Sierra Foothills Rose Society |
Sacramento |
| 1983 |
September 23-25 |
Redwood Empire Rose Society |
Santa Rosa |
| 1984 |
August 24-26 |
Reno Rose Society |
Reno |
| 1985 |
September 20-22 |
North Bay Rose Society |
Concord |
| 1986 |
September 26-28 |
San Joaquin Valley Rose Society |
Fresno |
| 1987 |
September 25-27 |
East Bay Rose Society |
Berkeley |
| 1988 |
October 7-9 |
Monterey Bay Rose Society |
Seaside |
| 1989 |
September 22-24 |
Humboldt Rose Society |
Eureka |
| 1990 |
September 28-30 |
Central Valley Rose Society |
Stockton |
| 1991 |
June 14-17 |
Santa Clara County Rose Society |
San Jose (District & National) |
| 1992 |
September 18-20 |
Golden Gate & San Mateo Rose Societies |
San Mateo |
| 1993 |
October 8-10 |
Sacramento Rose Society |
Sacramento |
| 1994 |
September 23-25 |
Reno Rose Society |
Reno |
| 1995 |
October 6-8 |
Redwood Empire Rose Society |
Santa Rosa |
| 1996 |
September 27-29 |
San Joaquin Valley Rose Society |
Fresno |
| 1997 |
September 12-14 |
Humboldt Rose Society |
Eureka |
| 1998 |
October 9-11 |
Shasta Rose Society |
Redding |
| 1999 |
September 24-26 |
North Bay Rose Society |
Concord |
| 2000 |
October 13-15 |
San Francisco Rose Society |
San Francisco |
| 2001 |
October 5-7 |
Sierra Foothills Rose Society |
Sacramento |
| 2002 |
September 29 |
North Bay Rose Society |
Vallejo |
| 2003 |
October 3-5 |
East Bay Rose Society |
Oakland |
| 2004 |
October 22-24 |
Sacramento Rose Society |
Sacramento |
| 2005 |
October 7-9 |
Marin Rose Society |
San Rafael |
| 2006 |
October 6-8 |
Mount Diablo Rose Society |
San Ramon |
| 2007 |
October 5-7 |
Mother Lode Rose Society |
Jackson |