Heritage Perennials - Profile with description and horticultural details. (zone 4-9) (1 photo). Also a page for ‘Coral Reef’.
Missouri Botanical Garden: Sedum tetractinum 'Coral Reef' - 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) (2 photos)