Guide to sunflower gardening provides descriptions of different species, cultivation information, and fun facts.

Descriptions of techniques used for watering, fertilizing, staking giant sunflowers. Information on giant sunflower seed varieties and vendors.

Instructions on growing sunflowers from the Ohio State University.

Information about growing sunflowers, includes books, links, pictures, and art depicting sunflowers.

Information from Iowa State University.

Guide to growing sunflowers with a number of illustrated steps.