The arboretum contains hundreds of species of trees, shrubs, and flowers arranged in collections spanning 40 acres as follows: Butterfly Garden, Children's Garden, Columnar Trees, Conifers, Dwarf Garden, Flowering Trees, Founders Grove, Herbs, Hostas, Large Deciduous Trees, Medium Deciduous Trees, Nut Trees, Perennials, Shade Garden, Shrubs, Trees for Poorly Drained Soils, Windbreak, Viburnnums, and Irises.