Nestled deep in Manoa Valley on the Island of O'ahu, the Harold L. Lyon Arboretum is a leader in the fields or Conservation Biology, Ethnobotany and Horticulture.
On its 194 acres, Lyon Arboretum maintains a world renowned collection of more than 5,000 tropical plant species including one of the largest palm collections found in a botanical garden; supports Hawai'i's horticultural and agriculture industries; and works to preserve and restore Hawai'i's tropical forests.
It is an active research facility and academic resource offering a wide range or programs to local and international communities including an innovative and ground-breaking tissue culture program for propagation of endangered plants.