monk's hood 'Arendsii'

Best grown in moisture retentive fertile soil in partial shade but sun and most soils are tolerated. Staking may be necessary

Tall stems can be pruned down later in autumn when flowering is finished

Divide every third year in autumn or late winter to maintain vigour, although plants can be slow to re-establish. Use gloves when handling plants as all parts are highly toxic

Aphids may be troublesome

Fungal stem rot and Verticillium wilt may occasionally be troublesome