(Verbascum thapsus L.)
Photo from Weeds of the West, revised ed.
Growth Habit: Large biennial, 2 to 6 feet tall.
Leaves: Rosette produces fuzzy leaves the first year. Leaves are alternate, overlapping one another, light green, densely woolly.
Stem: Large woody stem 2 to 6 feet tall.
Flower: Flowers are sessile, borne in long terminal spikes, sulfur yellow, 5 - lobed and more than a 1 inch in diameter.
Roots: Large taproot.
Seeds: Small, angular, brownish seeds, 1/32 inch long.
Reproduction: By Seed
Habitat: Common along river bottoms, pastures, fence lines, waste areas, it especially favors gravelly soils.
Biological Control: Mullen Moth (Cucullia vebasci) & the European curculionid weevil (Gymnaetron tetrum)
Herbicides: 2,4 - D, Cimarron, trichlopyr, & glyphosate