Pictured is one of several Arbor Day celebrations in Huntington Beach, Calif., a proud Tree City USA. See more events taking place in California.
National Arbor Day is held the last Friday in April but in order to get everyone on board with tree plantings according to varying planting zones, California adopted a state resolution which declares Arbor Day as Arbor Week on March 7-14. If you wonder what people and cities do to get on board with the tree cause, here are several programs: