May 10-13 is the annual Mother's Day celebration at Filoli, a fabulous mansion and gardens owned by the National Trust, located in Woodside CA.
My club, Sei Boku Bonsai Kai in San Mateo exhibits bonsai each year as part of the festivities.
Check the link:
http://www.filoli.org/
One of my exhibits is this Kingsville rock planting. Height from table is 13.5 inches.
Mike