Acanthus hungaricus (Long-leaved bear's breeches): Architectural spires of purple/white flowers over large, dark green deeply divided leaves. Best in sun or light shade. Height to 1.2m [Collect Only]

Aruncus 'Horatio' (Goat's beard 'Horatio'): A very elegant form of the familiar goat's beard, with fine sprays of creamy flowers in summer. To 1.2m. Hardy [Collect Only]

Aruncus dioicus (Goat's beard): Stately plant for larger borders or feature plant. Deeply divided foliage, frothy panicles of creamy white flowers in summer. Hardy. Up to 2m.

Calamagrostis x acutiflora 'Overdam' (Feather-reed grass 'Overdam'): Deciduous grass with upright clumps of narrow cream-striped leaves with stems of purplish flowers, which fade to blond through winter. Hardy. Up to 1.2m. [Collect Only]

Campanula 'Kent Belle' (Bellflower 'Kent Belle'): Tall upright stems with deep violet, narrow drooping bell shaped flowers above dark green foliage. May need some support. Hardy. To 1.2m.

Deschampsia cespitosa (Tufted hair grass): Summer flowering grass with airy silvery purple flower heads which keep their structure long into winter. Hardy. Up to 1.2m. [Collect Only]

Deschampsia cespitosa 'Goldschleier' (Tufted hair grass 'Goldschleier'): Summer flowering grass. Airy golden flower heads keep their structure long into winter. Hardy. Up to 1m.

Echinops bannaticus 'Blue Globe' (Globe thistle): Tall upright stems of bright blue globe flowers above clumps of spiny, grey-green leaves. Bee-friendly. Hardy. Up to 1.2m.

Fuchsia magellanica 'Alba': Hardy fuchsia with white flowers tinged with pink. Deciduous shrub with lance shaped deep green leaves. Prefers a sheltered spot. Up to 1.2m. [Collect Only]

Gaura lindheimeri 'The Bride': Beautiful airy stems of white flowers in mid to late summer

Gaura lindheimeri 'Whirling Butterflies': Airy stems of white flowers from pink buds, flowering in midsummer. Best in full sun, in well drained soil and a sheltered spot. Up to 1m. [Collect Only]

Hemerocallis 'Stafford' (Day lily 'Stafford'): Large, velvety red flowers with a gold throat in mid-late summer. Height to 70cm. Hardy.

Lythrum salicaria 'Blush' (Loosestrife 'Blush'): Tapering, sturdy spikes of soft pink flowers in mid to late summer. To 1.2m. Hardy [Collect Only]

Lythrum salicaria 'Feuerkerze' (Loosestrife 'Firecandle'): Tapering, sturdy spikes of bright pink flowers in mid to late summer. To 1.2m. Hardy

Lythrum virgatum 'Dropmore Purple' (Wand loosestrife 'Dropmore Purple'): Upright spikes of purple-pink flowers in the mid-summer with lance-like foliage. Prefers a moist soil. Hardy. Up to 1m. [Collect Only]

Monarda 'Schneewittchen' (Bergamot 'Schneewittchen'): Whorls of pure white flowers held high above aromatic foliage. Does well in sun or part shade and in moist soil. Attractive to bees. To 90cm. Hardy. [Collect Only]

Thalictrum delavayi 'Album' (Chinese meadow rue 'Album'): Dainty cup-shaped white flowers held high above fern-like greyish green leaves. To 1.2m. Hardy

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]