Galanthus nivalis all or most of it. Occasionally plants are found with green markings on the outer surface of the outer tepals. The six long, pointed anthers open by pores or short slits. The ovary is three-celled, ripening into a three-celled capsule. Each whitish seed has a small, fleshy tail (the elaiosome) containing substances attractive to ants which distribute the seeds. The leaves die back a few weeks after the flowers have faded. "G. nivalis" is a cross-pollinating plant, but sometimes self-pollination takes place. It is pollinated by bees. See "Galanthus": Propagation. Snowdrops contain an active substance called galantamine (or galanthamine) which
San Francisco Flower & Garden Show Francisco Parks Trust). The first show featured a tribute garden to San Francisco landscape architect, Thomas Dolliver Church (1902-1978), designed by Pam-Anela Messenger. For its first eleven years (1986-1997) the show held at Ft. Mason in San Francisco. In 1997 Salmon Bay Events, the Seattle-based company owned by Duane and Alice Kelly that had started the Northwest Flower & Garden Show, acquired the San Francisco Landscape Garden Show, changed its name to the San Francisco Flower & Garden Show, and moved the show from Ft. Mason to the Cow Palace. For the next eleven years (1998-2008) it was held at