Sedum sieboldii (October Daphne, Stonecrop)

This Japanese native is perfect for the rock garden. It is a compact species with blue-green foliage and pink stems, and bears purplish-red flowers in fall. Sedum cauticola grows to about 3 inches tall and a foot wide.

This variety is more compact than the species, and its leaves are variegated with creamy margins. In late spring to summer, its star-shaped yellow flowers open from pink buds and mature to crimson. It grows to just 4 inches tall and 12 inches wide.

This tough, drought-tolerant species has glossy deep green leaves and, in early summer, half-inch golden yellow flowers that open from pink buds. It grows to about 6 inches tall and a little wider and makes a good groundcover. 

Cooks and gardeners alike are indebted to this evergreen perennial for the unique, pungent flavor and aroma that its gray-green leaves produce. This cultivar has leaves suffused with steely-gray purple. It forms a 1.5-foot-tall and wide bush with woody stems that may be trimmed back to newly emerging growth or strong stems in spring. In early to mid-summer, it sends up lavender-purple flower spikes; it has both ornamental and culinary qualities in an herb garden. It tolerates alkaline soils, but cannot survive wet winter conditions.