Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zones 5a-9b) (10 photos)
Heritage Perennials - Profile with description and horticultural details. (zone 4 - 9) (1 photo)
Kemper Center - Plantfinder page for one of the plants growing at the Missouri Botanical Garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 5 to 9) (2 photos)
Rare Find Nursery - Catalog detail page with description and horticultural information. (zone 4-9) (2 photos)
Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (2 photos)
(1 photo)