Detailed Care Information » Sedum clavatum Sedum dasyphyllum major ‘Himalayan Skies’ is a beautiful, cold hardy succulent that sometimes resembles a miniature S. burrito. Sedum, also known as stonecrop, is a genus consisting of 400 different species of flowering succulents. The large number of species results in a wide variety of features, with some species being annuals, herbs or shrubs. Sedum Plant Care. Sedum … In the contiguous United States, there is at least one type of sedum that will thrive in … Environment: Different species have different ideal environments and hardiness zones.