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. Site includes care information, emphasizing aspects of cold-climate cultivation, calendar of events, and listing of plant sources.
Narcissus - Daffodil
Brief planting instructions from Michigan State University Extension.
National Daffodil Show
Photos and schedule for show sponsored by the American Daffodil Society.
Northern California Daffodil Society
Daffodil information including FAQs, growing tips, "naturalizing", support and services, show and event calendars.
Suite101.com - Daffodils
Articles about growing daffodils; lists, descriptions, and photographs of daffodils; discussions about daffodils; tips on photographing daffodils.
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).