The Laurens Henry Cohn Sr. Memorial Plant Arboretum, commonly known as the Cohn Arboretum, is a sixteen-acre botanical garden in Baton Rouge, Louisiana, open to the public daily. It features more than one hundred twenty species of native and adaptable trees and shrubs, making it an important cultivated landscape for public enjoyment and plant diversity. Its collections include Japanese maples, camellias, evergreens and conifers, and crape-myrtles, along with an herb and fragrance garden. Specialized indoor spaces include an orchid and bromeliad house and a tropical house, adding to the range of plants maintained there.