Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, disturbed forest edge, thickets, and other disturbed open areas.
Flowers: June-September
Origin: Introduced from Eurasia
Growth Duration: Biennial
Conservation Status: Not of concern
Pollination: Bumblebees
Coarse, taprooted biennial, producing a rosette of basal leaves the first year, and a single, erect stem 0.4-2 m. tall the second year, the entire plant covered with white-woolly, branched hairs.
Basal leaves broadly oblanceolate, 1-4 dm. long and 4-12 cm. wide, tapered to a long petiole, nearly entire; cauline leaves alternate, numerous, reduced upward, becoming sessile and clasping.
Inflorescence a dense, elongate spike; calyx of 5 sepals; corolla usually yellow, slightly irregular, 5 lobed, 1-2 cm. wide; stamens 5, all fertile, the upper 3 filaments densely yellow-hairy, the lower 2 glabrous and longer.
Capsule broadly ovoid, 7-10 mm. long.
PNW Herbaria: Specimen records of Verbascum thapsus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Verbascum thapsus checklist entry
OregonFlora: Verbascum thapsus information
E-Flora BC: Verbascum thapsus atlas page
CalPhotos: Verbascum thapsus photos