Geranium phaeum 'Lily Lovell' (Dusky cranesbill 'Lily Lovell'): Large, rich purple flowers with white centre. Petals swept back. Hardy. Flowers early in the season. To 80cm.

Geranium phaeum 'Raven' (Dusky cranesbill 'Raven'): Dark purple flowers with long stamens and swept-back petals held high above soft green foliage. Great for shady areas. To 60cm. Hardy. [Collect Only]

Geranium wlassovianum: Warm purple flowers over attractive velvety foliage. Excellent autumn foliage colour. To 40cm. [Collect Only]

Hosta 'Blue Mouse Ears': A small form of Hosta with smooth rounded blue-grey leaves and soft purple flowers in the summer. Hardy. Up to 50cm.

Hosta 'Devon Green': Elegant hosta with tapering, dark green, fine-veined leaves. Lilac flowers in summer

Lamium maculatum 'Beacon Silver' (Spotted deadnettle 'Beacon Silver'): A low ground cover plant with silvery heart-shaped leaves and short stems of purple-pink flowers. Brightens up a shady area. Hardy. Up to 20cm.

Lathyrus vernus (Spring pea): Two-tone purple and pink pea-like flowers in early spring. Thrives in shade, even quite dry shade. To 30cm. Hardy.

Liriope 'Big Blue' (Blue turf lily 'Big Blue'): Spikes of vibrant purple flowers in autumn, larger than the usual form, evergreen strappy foliage. Good for dry shade. Hardy. Up to 50cm [Collect Only]

Thalictrum 'Elin' (Rue 'Elin'): Tallest of the Thalictrums we grow with huge heads of lavender and yellow flowers in mid-late summer. To 2m. Hardy. [Collect Only]

Thalictrum 'Splendide' (Rue 'Splendide'): Superb Thalictrum with clouds of purple flowers open for a very long time in late summer. Hardy. Up to 1.5m

Thalictrum delavayi 'Hewitt's Double' (Chinese meadow rue 'Hewitt's Double'): Tiny purple pom-pom flowers dance airily above ferny grey-green foliage. Height to 1.2m. Hardy [Collect Only]