Mazus

Mazus - M. pumilio is a distinct New Zealand plant, vigorous, and creeping underground so as rapidly to form dense tufts, rarely more than 1/2 inch high; the pale violet flowers are borne on very short stems in early summer, and the leaves lie flat on the soil. M. pumilio thrives in pots, cold frames, or the open air, and does best in firm, open, bare spots in the rock garden, in warm positions in free sandy soil. Though not showy, it is an interesting plant, easily increased by division. Figwort family.