Central Texas Gardener - Plant of the week profile with photo and cultural information. (1 photo)
Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 6-9) (18 photos)
Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 7) (3 photos)
Heritage Perennials - Profile with description and horticultural details. (zone 6-9) (1 photo)
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 6-9) (5 photos)
(5 photos)