Resources 
Rotary Gardens, Photo Courtesy of Glenn Spevacek
US National Arboretum
Find your hardiness zone (helps you know which plants will thrive where you live), pest management techniques and much more. http://www.usna.usda.gov/Hardzone/hzm-nm1.html
Rutgers NJAES
Offers an interesting chart called "Landscape Plants Rated by Deer Resistance." http://njaes.rutgers.edu/deerresistance/
Green Bay Botanical Garden
A local treasure with marvelous feature gardens, great walking paths and spaces for children to explore. http://www.gbbg.org/
Wisconsin Online
Shares an extensive list of public gardens in Wisconsin. http://wisconline.com/attractions/publicgardens.html
Birds-N-Garden
Includes a long list of plants that encourage birds and butterflies. http://www.birds-n-garden.com/birdgarden.html
Simply Beautiful Garden
Has a fun feature to show a planted container and a map of the container with the plants identified. http://www.simplybeautifulgarden.com/containers.aspx
Dave's Garden
A vibrant online community of gardeners shares information in this site. http://davesgarden.com/