Japanese Stonecrop
Hylotelephium sieboldii
Japanese stonecrop changes its clothes through the seasons: blue-green in spring, pink-edged in summer heat, then blazing orange and red as its fall flowers open on the rocky slopes of its native Japan.
Hylotelephium sieboldii, named for the German botanist Philipp Franz von Siebold who documented the flora of Japan in the nineteenth century, is a plant that earns its keep across every month of the growing year. The blue-green foliage emerges in spring and takes on pink tinting along the leaf margins through the heat of summer, the succulent leaves storing water against drought. In fall, the pink flower clusters open as the foliage shifts into vivid shades of orange and red, creating a moment that is, for a six-to-nine-inch ground cover, genuinely striking.
It grows six to nine inches tall and twelve to eighteen inches wide, spreading slowly into a tidy mound suited to rock gardens, border edges, slopes, and xeriscaping schemes. Full sun brings the best performance and color. Too much shade results in weak, floppy growth, and consistently wet soil invites crown rot. Division, stem cuttings, and seed all work for propagation. Hardy from zone 3 to 9, it is also edible, with young leaves historically used in Japan as a salad green.
Japanese Stonecrop
Hylotelephium sieboldii
October Daphne Stonecrop, October Plant, October Stonecrop, Showy Stonecrop, Siebold's Sedum, Siebold's Stonecrop, Stonecrop