Bickelhaupt Arboretum 
340 S. 14th St.
Clinton, IA 52732
563-242-4771
https://www.eicc.edu/about-eicc/colleges-and-centers/bickelhaupt/
Arboretum: Walk
A fourteen acre outdoor museum of select, labeled trees, shrubs, ground covers, perennials and annual flowers.