Herbaceous perennial native to Siberia and China and hardy to -10 degrees F. The plant prefers regular garden soil and thrives on neglect. This plant produces the fine-flavored demulcent licorice root used as a harmonizer in many traditional formulas. Plant prefers full sun and dryish soils. Scarify seed and sow in spring, or sow anytime in the solar greenhouse. Flowers blue to 3 feet. Space plants 3 to 4 feet apart.