Beautiful plant up to 5feet for sun or very light shade. Hardy herbaceous perennial. Flowers lavender blue produced in clusters with yellow stamens, set against dark grey green foliage, very pretty always popular at flower shows.
3 litre plants may be cut back to send out £12.50
A really beautiful herbaceous perennial which stems of white flowers in mid to late summer. Around 4' high, attractive foliage great in sun or part shade in average to good soils.