monk's hood 'Barker's Variety'

'Barker's Variety' is a herbaceous perennial 1.5-1.8m high with upright stems, ovate, leathery leaves divided into three to five lobes, deep green above and pale green below, and dense panicles of hooded rich mid-blue flowers in early autumn; the flowers may be visited by bumblebees, particularly long-tongued species, who are not affected by the toxins