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 4-8) (7 photos)
Paghat's Garden - Illustrated articles by a gardener in the Pacific Northwest, with background and personal observations. (1 photo)
Plant Delights Nursery - Catalog page with photo, horticultural basics, and descriptive blurb. (additional pages for other varieties) (1 photo). Also a page for 'Ellen Willmott'.
Wild Ginger Farm - One of the plants featured on this specialty nursery's catalog page, with photo and brief description. (1 photo)