Biennial & Perennial Weeds
MULLEIN, COMMON Verbascum thapsus Life Cycle: Biennial Plant Description:
Biennial with thick, fuzzy leaves that form a rosette during the first year. Second year produces a single, stout, upright stem 2 to 6 feet tall. Light green, woolly leaves alternate and are overlapping. Long terminal spikes bear sulfur yellow, sessile flowers that are 5 lobed and more than 1 inch in diameter. 2 chambered fruit yields numerous, small, angular, brownish seeds. HighNoon ® herbicide per acre. Apply in the rosette stage or up to 6-inch bolt. Ground Application: Apply HighNoon herbicide with a methylated seed oil (MSO) at 1% v/v (15 GPA or higher to optimize control). Aerial Application: Apply HighNoon herbicide at 20 fluid ounces per acre + Metsulfuron-methyl at ½ ounces per acre + methylated seed oil (MSO) at 1% v/v .
Treatment: Apply 16 to 20 fluid ounces of
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