"The Norfolk Botanical Garden Bristow Butterfly Garden". The 2-acre Bristow Butterfly Garden provides a habitat to attract and support butterflies and moths during all stages of their life cycle. Within the garden you will find a swallowtail and monarch nursery, nectar garden, moonlight garden and butterfly bush collection.
http://www.norfolkbotanicalgarden.org
"The Virginia Zoo Butterfly Garden"
https://virginiazoo.org/2015/08/backyard-butterflies
"The Butterfly House" - shares basic tips on creating surefire gardens for attracting butterflies.
"U.S. Fish and Wildlife Service, Great Dismal Swamp" - very good site on the Great Dismal Swamp.
http://www.fws.gov/refuge/great_dismal_swamp/
"Monarch Watch - Butterfly Gardening" - a teacher's guide to creating a school garden.
https://monarchwatch.org/garden/
"The Butterfly Website" This site describes itself as "a complete guide to butterflies".
"University of Kentucky - How to Make a Butterfly Garden" This site provides a basic guide to plants.
http://www.uky.edu/Agriculture/Entomology/entfacts/misc/ef006.htm
"North American Butterfly Association" is an informative site through the North American Butterfly Association. It has many menu choices. What do you call a group of butterflies? Look at the web site for the answer!
"United States Department of Agriculture". Need information on plants? Visit this site for useful information, pictures, or download a plant checklist. Lots of data here.
"The Williamsburg Botanlical Garden". Provides a habitat to attract and support butterflies and moths during all stages of their life cycle.
http://www.williamsburgbotanicalgarden.org/wordpress/butterflies/