Here's a list of some of the most famous botanical gardens in the United States in order of your votes. Although most of them are known for their flowers, some get "points" for landscaping, for rare and beautiful trees, or for their efforts at conservation and education.. Tastes may definitely vary - a Southwestern garden featuring desert plants might appeal to different people than a tropical garden in Florida.
San Francisco Botanical Garden
Fairchild Tropical Botanic Garden
Coral Gables/Miami, Florida