California Chapter 1966 Rhododendron Show
| First Prize Winners | |||
| NAME | EXHIBITOR | NAME | EXHIBITOR |
| R. davidsonianum | Mr. & Mrs. Maurice Sumner | 'Gertrud Schale' | Mr. & Mrs. Maurice Sumner |
| R. lindleyi | Dr. J. P. Evans | 'Royal Flush', pink form | Mrs. Harriet Whittington |
| R. yakushimanum | Mr. and Mrs. E. H. Long | R. falconeri | Mr. & Mrs. Maurice Sumner |
| R. aberconwayi | Mr. & Mrs. Maurice Sumner | R. canescens | Mr. Tom Russ |
| R. burmanicum | Mr. & Mrs. Maurice Sumner | 'Ward's Ruby' | Mr. Tom Russ |
| 'Martha Wright' | Mr. & Mrs. Maurice Sumner | 'Fielder's White' | Mrs. R. Homans |
| 'Lind-dal' | Mr. & Mrs. Maurice Sumner | 'Perle De Sweynarde' | Mr. Tom Russ |
| Royal Flush Spray | Mr. & Mrs. Maurice Sumner | 'Mucronatum Rosea' | Mrs. Harriet Whittington |
| 'Unknown Warrior' | Mr. and Mrs. E. H. Long | 'George Lindley Taber' | Mrs. Harriet Whittington |
| 'David' | Mr.Allan Korth | Red Evergreen A. Spray | Mr. Owen Pearce |
| 'Loderi King George' | Dr. J. P. Evans | 'Gardenia White' A. | Mr. Tom Russ |
| 'Mrs. A. T. DeLaMare' | Dr. J. P. Evans | 'Twenty Grand' A. | Mr. & Mrs. Maurice Sumner |
| 'Sappho' | Mr. Tom Russ | 'Paul Schaame' A. | Mr. Owen Pearce |
| 'Pink Pearl' | Mr. Bill Nolan | Mollis A. | Mr. Tom Russ |
| 'Cary Ann' | Mr. Bill Nolan | Mollis A. | Mr. Tom Russ |
| 'Mrs. G. W. Leak' | Mr. Bill Nolan | 'My Dream' A | Mr. and Mrs. E. H. Long |
| 'Van Nes Sensation' | Dr. J. P. Evans |
'Countess of Sefton' X
R. burmanicum |
Mr. & Mrs. Maurice Sumner |
| 'Unique' | Mr. Tom Russ | ||
| 'Glory of Littleworth' | Mr. Tom Russ | 'Lind-dal' | Mr. & Mrs. Maurice Summer |
| 'CIS' | Dr. J. P. Evans | 'Purity' A | Mrs. Harriet Whittington |
| Special Award, U. C. Botanical Garden | Leaves | Mr. and Mrs. E. H. Long | |
| Special Award, Golden Gate Park | Special Award, Howard Kerrigan | ||
Judges, Mr. P. H. Brydon, Mr. John S. Druecker, Dr. Fred Coe.
Clerks, Mrs. John J. Whittington, Mrs. E. H. Long, Mrs. J. P. Evans, Mrs. M. F. Ashley Giauque.
Show Chairmen, Mr. F. Owen Pearce, Mr. Roy L. Hudson.