DUBUQUE ARBORETUM & BOTANICAL GARDENS
3800 Arboretum Drive
Dubuque, IA 52001
(563) 556-2100
(563) 556-2443 (fax)
Free admission. Displays of hostas, formal English Garden, formal herb garden, woodland wildflowers, water and shade gardens, ornamental tree and shrub collections, rose gardens, annuals and perennials. New gazebo and Visitor Center with gift shop and botanic library. Open May - October.