Marrubium
horehound
1 species
Show only taxa with photos
Order by:
Scientific name
Common name
Display as:
Marrubium vulgarewhite horehound
Distribution: Occurring on both sides of the Cascades crest in Washington Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Fields, roadsides, thickets, wastelots, and other disturbed areas.
Origin: Introduced from Eurasia
Flowers: June-October
Growth Duration: Perennial