Marrubium Species, Scallop Shell

A member of the mint family and characteristically has square branching stems and opposite pairs of toothed, ovate leaves with soft hairs...Read More and conspicuous veining. The whorls of small flowers are borne in the leaf axils. The botanical name is believed to have evolved from marob, a Hebrew word meaning a bitter juice, as this was one of the bitter herbs eaten by Jews to commemorate the feast of Passover.
MARRUBIUM SUPINUM
A native of mountainous regions in central and southern Spain, this species grows to 18" in height and has kidney-shaped, toothed leaves and pink or lilac flowers in summer.
ZONES: 7-10
CULTIVATION:
These fully frost-hardy plants prefer full sun in poor, well-drained soil. Although trouble free, avoid planting them in an over-rich soil and protect from drying winds. Propagate by root division in mid-spring or from seed in late spring.