Horehound

Marrubium vulgare

Horehound

Franz Eugen Köhler, Köhler's Medizinal-Pflanzen

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Lamiaceae
Genus:
Marrubium
Species:
Marrubium vulgare

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, sep
Bloom Colors:
white

Native Range

United States: Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Georgia, Hawaii, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, Nebraska, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming, Canada: British Columbia, Nova Scotia, Ontario, Quebec, Saskatchewan

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus), Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Central bumble bee (Bombus centralis), Central bumble bee (Bombus centralis), Crotch bumble bee (Bombus crotchii), Crotch bumble bee (Bombus crotchii), Half-black bumble bee (Bombus vagans), Half-black bumble bee (Bombus vagans), Hunt's bumble bee (Bombus huntii), Hunt's bumble bee (Bombus huntii), Indiscriminate cuckoo bumble bee (Bombus insularis), Indiscriminate cuckoo bumble bee (Bombus insularis), Nevada bumble bee (Bombus nevadensis), Nevada bumble bee (Bombus nevadensis), Red-belted bumble bee (Bombus rufocinctus), Red-belted bumble bee (Bombus rufocinctus), Two-spotted bumble bee (Bombus bimaculatus), Two-spotted bumble bee (Bombus bimaculatus), van Dyke bumble bee (Bombus vandykei), van Dyke bumble bee (Bombus vandykei), Yellow bumble bee (Bombus fervidus), Yellow bumble bee (Bombus fervidus), Yellow head bumble bee (Bombus flavifrons), Yellow head bumble bee (Bombus flavifrons), Yellow-faced bumble bee (Bombus vosnesenskii), Yellow-faced bumble bee (Bombus vosnesenskii)

Soil Requirements

Soil Type:
poor, sandy, well-drained soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed areas and roadsides