American Daffodil Society - "Gardening and growing tips, descriptions of different varieties, links, photographs; focuses on daffodils in the United States."

Better Homes and Gardens:Narcissus Flowers - "Also called daffodils, our Narcissus are the trumpets of spring! You can plant these Narcissus flowers in groups to provide a great set of beautiful flowers."

Daffodil Society of Minnesota - "Group of gardeners with a love of the daffodils, aiming to promote their growing and enjoyment in Minnesota. Care information, emphasizing aspects of cold-climate cultivation, calendar of events, and listing of plant sources."

Greater St. Louis Daffodil Society - "Presents its meetings, events, speakers, exchanges and sales, and newsletter."

Northern California Daffodil Society - "Daffodil information including FAQs, growing tips, "naturalizing", support and services, show and event calendars."

Suite101.com - Daffodils - Articles about care and cultivation.

Viruses and Daffodils - "Article describing how a virus displays on daffodils and tips on controlling viral diseases; from Devonian Botanic Garden, University of Alberta (Canada)."