Digitalis ferruginea 'Gelber Herold'

A vigorous biennial or short-lived perennial, with a basal rosette of glossy green leaves. Leafy flowering stems to 1.2m high are produced in late spring and early summer in its second year, bearing long, tubular to funnel-shaped, pale yellow to golden brown flowers with dark red-brown veining on the insides, in dense clusters all around the stems