Tree & Plant Care


Sharing knowledge & resources is one of the biggest benefits of the Web. Here we’ve collected numerous other resources here for you to explore sites beyond Klehm Arboretum. If you have other suggestions for what you might like to see included here, please let us know by contacting us.


Plant Information Online

Use Plant Information Online to discover sources in 1102 North American nurseries for 106952 plants, find 370432 citations to 156910 plants in science and garden literature, link to selected websites for images and regional information about 19131 plants, and access information on 2647 North American seed and nursery firms. Plant Information Online is a free service of the University of Minnesota Libraries.


American Conifer Society


University of Wisconsin Arboretum


Cornell University Woody Plant Database


Iowa State Weed Science Resource


Wikipedia list of botanical gardens in the United States


Oregon State University Woody Plant Identification System


Morton Arboretum on-line plant collection database


The Plant List Collaboration


Project Noah


Emerald Ash Borer