Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4b-10a) (14 photos)
Garden.org - Community-assembled plant profile (4 varieties in database) (7 photos). Also a page for 'Joe Kozy'.
Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 5-8) (6 photos)