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

Lavandula angustifolia 'Hidcote' (English Lavender 'Hidcote'): Classic English Lavender. Compact variety, ideal for path edging. To 40cm. Hardy

Limonium platyphyllum 'Violetta' (Broad leaved Statice 'Violetta'): A froth of tiny purple flowers in mid-summer on stiff stems. To 60cm. Hardy.

Penstemon 'Pensham Plum Jerkum': Plum-purple tubular flowers with white throat markings. Semi-evergreen in milder areas. Protect from hard frosts. To 70cm.

Thalictrum delavayi (Chinese meadow rue): Dainty lilac-mauve flowers 2cm in width, with prominent creamy yellow stamens above fern-like bright green leaves. 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