Common Horehound

Other names

White Horehound

Growth habit

Herbaceous

Perennation

Perennial

Native distribution

Cent. & W. Asia, S. Europe, N. Africa, Canary Islands, Azores; Naturalized in N. America

Biocultural value

Leaves contain marrubine, a very effective expectorant. Horehound tea and cough drops have been a long standing folk remedy for coughs and colds.

Location

Robison Herb Garden

Source of plant

Pinetree Garden Seeds, Fedco Seeds, Sunnybrook Farms Nursery, W. Atlee Burpee & Company, Companion Plants, Baker's Acres

Description

To 18" in height; leaves white-pubescent, broadly round-ovate, to nearly 2" long, crenate, petioled;verticillasters globose, calyx with 10 recurved teeth, the alternate ones shorter, corolla small, white.

USDA Hardiness Zone

3

Special characteristics

foliage characteristics, medicinal/pharmaceutical