Galanthus have now been lost, and others not seen by the authors). They differ particularly in the size, shape, and markings of the flower, the period of flowering, and other characteristics, mainly of interest to the keen (even fanatical) snowdrop collectors, known as "galanthophiles", who hold meetings where the scarcer cultivars change hands. Double-flowered cultivars and forms, such as the extremely common "Galanthus nivalis" f. "pleniflorus" 'Flore Pleno', may be less attractive to some people, but they can have greater visual impact in a garden setting. Many hybrids have also occurred in cultivation. In the UK these species: and these cultivars:
San Francisco Flower & Garden Show Garden Show in northern California were the Oakland Spring Flower Show which was produced by the California Association of Nurserymen from 1930 to 1978 (with a three-year hiatus from 1943 to 1945 because of World War II). In the early 1980s the rock ‘n roll impresario Bill Graham produced two annual flower shows at the Cow Palace. The show as it appears today was started in 1986 as the San Francisco Landscape Garden Show by volunteers for the Friends of Recreation and Parks in San Francisco as a fundraiser for that organization (in 2006 the organization’s name changed to San