Other common names
green archangel, marsh hoarhound, marsh horehound, water hoarhound, water horehound, ilys y sipswn
Herbaceous Perennial Bogs
A clump-forming perennial to 80cm tall, spread by slender rhizomes, with hairy stems and oval, pinnately lobed mid-green leaves. Small white flowers to 4mm across, in dense whorls are produced at the base of the uppermost leaves, from midsummer to early autumn
Position
Full sun, Partial shade
Soil Types
Chalk, Clay, Loam, Sand
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres