Australian Native Hibiscus and Hibiscus-like Species
- Covers topics such as physical characteristics, cultivation, propagation, landscape uses, and importance to wildlife. Includes photos.
- http://www.hibiscus.org/

JE Ludick
- Hibiscus hybridizer and grower offers photographs and hybridizing, planting, care, and diseases guides.
- http://www.westalley.com/ludick/home.htm

Hibiscus 101, Basics and Beyond
- Illustrated guide to tropical hibiscus blooms, root cutting, hybridizing and root pruning.
- http://www.rozpat.net/Basics%20and%20Beyond.htm

Tropical Hibiscus
- Includes care, propagation, growing in cold climates, show winners, and mailing list.
- http://www.trop-hibiscus.com/