Aster x frikartii 'Wunder von Stafa': Long-flowering Aster with light violet-blue flowers in autumn and dark foliage. Mildew-resistant. Bee-friendly. Hardy. Up to 70cm. AGM. [Collect Only]

Astilbe 'Amethyst': Large, upright panicles of lilac-purple flowers in summer over green ferny foliage. Excellent for damp or shady spots. Hardy. Up to 80cm. [Collect Only]

Astrantia major 'Abbey Road' (PBR) (Hattie's pincushion, Masterwort 'Abbey Road'): Dark violet-purple flowers on dark almost-black stems above green foliage. Long-flowering. Hardy. Up to 80cm. [Collect Only]

Campanula Iridescent Bells = 'Iribella' (PBR) (Bellflower 'Iridescent Bells'): Purple buds open to silvery-lilac bells in summer. Prefers a moisture retentive soil. Height to 80cm. Hardy [Collect Only]

Hosta 'Frances Williams': Large heart-shaped crinkled leaves with a prominent green-yellow margin. Lavender purple flowers in mid summer. Hardy. Up to 75cm. [Collect Only]

Iris 'Langport Wren': Sword-shaped glaucous green leaves and stems of up to 4 flowers, with rich reddish-purple and deep maroon almost brown flowers. [Collect Only]

Molinia caerulea 'Edith Dudszus' (Purple moor grass 'Edith Dudszus'): Purple, almost black wand-like flower stalks with slender purple flower heads in late summer.To 90cm. Hardy

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

Phlox paniculata 'Eventide' (Phlox 'Eventide'): Mauve-purple, scented flowers on erect stems and green lance-shaped leaves. A good vigorous selection. Hardy. Up to 90cm. AGM [Collect Only]

Salvia x sylvestris 'Mainacht' (Wood sage 'May Night'): Spikes of warm purplish blue flowers in mid-summer. Height to 70cm. Hardy.

Tricyrtis formosana 'Dark Beauty' (Toadlily 'Dark Beauty'): Upright flower stems of star-shaped white flowers heavily spotted with blue/purple above dark-spotted lance-shaped leaves. Sheltered position. [Collect Only]

Verbena officinalis 'Bampton' (Vervain 'Bampton'): Attractive plant with dark purple foliage and upright, wiry stems with delicate purple flowers. Long flowering. Up to 90cm. Hardy. [Collect Only]

Veronica spicata 'Purpleicious' (Spiked speedwell 'Purpleicious'): Spikes of dark-purple flowers over a mound of shiny green leaves. Long-flowering and excellent as a cut flower. Hardy. Up to 50cm. [Collect Only]