| Website | Description |
| Arbor Day Foundation | Tree and Shrub Selection Guide using a zip code search. |
| Iowa State University Extension | Water $mart Landscapes: Plant Selection and Care. |
| Johnson County Heritage Trust | List of recommended trees, shrubs, forbs, and grasses for landscaping in Johnson County. |
| Morton Arboretum | A detailed guide to the selection of trees, shrubs, vines, and other assorted perennials for the Midwest. |
| Plant Hardiness Zones | Maps depicting current hardiness zones and hardiness zone changes that have occurred in the continental U.S. |
| University of Minnesota: Extension Service |
Tree and shrub selection, care, maintenance, and identification is summarized on a variety of pages. |
Recommended Plant Image Websites
Recommended Plant Information Websites
Return To Trees of Iowa Homepage
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"Weeds are flowers too, once you get to know them." -- Eeyore, from Winnie the Pooh |