Idaho Botanical Gardens

Located in Boise's Old Penitentiary Historic District, the Idaho Botanical Garden is dedicated to enhancing our community's quality of life through fostering a love of nature and developing intellectual curiosity in people of all ages. Originally the site of the tree nursery and grounds of the State Penitentiary, the Garden is a living museum. The Garden provides enriching garden experiences through educational programs, botanical collections, a variety of entertainment, cultural and community events. It is also a refreshing and inspiring year-round outdoor destination for local residents and out-of-town visitors.

Charity Navigator Ratings

Overall Rating

(3/4)|88.36 Score


(3/4)|87.76 Score

Accountability & Transparency

(3/4)|89 Score



Headquarter Address

2355 Old Penitentiary Road
Boise, ID 83712