Annual in summer crops, hibernating to biennial in winter crops, 20-70 cm (7.87 - 27.55 inch) tall.
Young plant with rosettes, shiny blue flowers.
Dense, vigorous, broad-oval to oval, narrowing to the base.
Up to 1 m (39.37 inch) tall, tomentose to arachnoid pubescent, herbaceous, loosely wooly-hairy when young but losing this as they mature.
Leaves narrow, often linear, mostly entire, or the lower ones sometimes shallowly toothed or lobed, up to 13 cm (5.12 inch) long and 1 cm (0.39 inch) wide, excluding the lobes, white-woolly on the lower surface.
Plant Protection Products