Dave's Garden: Croton
- Includes general information and user submitted photographs and gardening notes.
- http://davesgarden.com/guides/pf/go/715/

Floridata: Garden Croton
- Includes description, culture, usage, and photographs.
- http://www.floridata.com/ref/C/codi_var.cfm

Heirloom Gardens: Croton Care
- How to grow and care for crotons.
- http://www.heirloomgardenexperts.com/info-sheets/crotons.htm

Croton Mania
- Codiaeum variegatum. Information and plant idenification, along with photographs and FAQs.
- http://www.croton-mania.com/