Hoarhound. Marrubium vulgare L.

Figure 63.—Hoarhound (Marrubium vulgare)

Other Common Names

Houndsbene, marvel, marrube.

Habitat And Range

Hoarhound grows in dry sandy or stony soil in waste places, along roadsides, and near dwellings, in fields, and in pastures. It is found from Maine to South Carolina, Texas, and westward to California and Oregon.


This is a bushy, branching herb with a pleasant aromatic odor and a whitish, woolly appearance, due to the hairs which thickly cover the entire plant It grows from 1 to 3 feet high, with many woolly stems, rounded below and 4-angled above. The leaves are from 1 to 2 inches in length, nearly round, much wrinkled, somewhat hairy on the upper surface, and very hoary and prominently veined on the lower surface. The whitish flowers are borne in dense clusters in the axils of the leaves from June to September.

Part Used

The leaves and tops, collected just before the plant is in flower, the coarse stems being rejected.