Perennials

Aconitum napellus subsp. vulgare 'Albidum'

White monk's hood. 1.2 to 1.5 metres. The long stems of lovely white flowers are useful for brightening a shady corner mid-summer. The flowers resemble the hoods that monks wear over their heads. Cut off flower stalks as they fade. Excellent cut flower. Part to full shade. Winter dormant.