The Jacksonville Arboretum& Botanical Gardens is a 501 non-profit organization in Jacksonville, Florida, similar to Tree Hill Nature Center, and organized for the purpose of developing a unique natural attraction on a city-owned, 126.82-acre site. The arboretum officially opened on November 15, 2008, and the Sierra Club of Northeast Florida stated, "Development of this park is truly a community project of a size and scope never before undertaken by a volunteer organization."