Uses: This adaptogenic herb is native to northern regions of the world, including Tibet, Russia and China. Rhodiola is known to help combat anxiety by promoting calmness and mental stamina. It can also be used to improve sleep and boost your immune system. The roots of rhodiola are harvested for medicinal use and eaten fresh or dried, or brewed into tea.
Hardiness: USDA Zone 2.
Growing Tips: Rhodiola is an attractive, low-growing plant similar to sedum. It requires freezing temperatures during winter, so it will not grow over USDA zone 8. Rhodiola prefers full to partial sun and well-draining soil. It grows well from seed, although the seeds will need a cold period before germinating. Check the seed package for detailed germination instructions.