Here at El Arish Tropical Exotics we find these plant websites useful. We hope you do too!
For more information on cordylines try the Cordyline SocietyHeliconia Society International
The best place for more detailed information about heliconias. Membership is a must for serious collectors.International Foliage Society
The International Foliage Society is a great resource for information on tropical plants.Lobsterclaw Heliconia Forum
Lobsterclaw is the definitive heliconia forum.Puerto Rican Heliconia Society
The Puerto Rican Heliconia Society is the home of the official heliconia register.Tropicsphere
Tropicsphere is an eclectic, interesting, tropical plant forum with lots of features.