A perennial with dark green fern-like foliage & a full cover of flat violet flowerheads.
Photo provided by: Ball Colegrave..
Lower-growing monkshood with purple hooded flowers and beautiful dark green feather-shaped leaves.
Photo provided by: All Plants B.V...
A lovely variety, with strap-shaped deep green leaves and tall clusters of open bell-shaped, almost black flowers with a dark purple sheen...
A clump-forming perennial with strap-shaped deep green leaves. Clusters of open bell-shaped, deep purple flowers - a new colour for agapanthus!
Deciduous Agapanthus with stunning velvety purple flowers.
Photo provided by: Barnes Nurseries..
A compact variety with aromatic, glaucous leaves. Many spikes of smokey lilac flowers from dark-purple buds.
Photo provided by: Eagle Plants Ltd..
The darkest ever angelica with almost black, finely-cut shiny leaves and dark purple buds opening to delicate sprays of pink flowers.
Photo provided b..
Unusual and striking Aster which has green flowers with purple petal tips. Very hardy and reliable...
Bright purple flowers with double rows of petals over compact green foliage.
Photo provided by: Kernock Park Plants..
An absolutely stunning variety with blue-green leaves, charcoal stems and long flower spikes of bright yellow pea-like flowers that age to raspberry p..
A beautiful clump forming perennial for both borders and pots. Thick mid green foliage is surrounded by long, lavender, bell shaped flowers in early s..
Clump-forming perennial with a low mounded rosette of mid green leaves and upright stems the carry shallowly bell-shaped lilac flowers that open to wi..
Clump-forming robust perennial with mid-green feathery leaves and deep purple-red thistle-like flower.
Photo provided by: Jelitto Staudensamen GMBH..
Clump-forming perennial with jagged, silver-green leaves and purplish, thistle-like flowers in the summer. .
Photo provided by: Just Must Perenni..
A clump-forming perennial with erect stems of bronze-green foliage and large nodding heads of purple flowers in the summer.
Photo provided by: De Ree..