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.

Campanula persicifolia (Peach-leaved bellflower): Tall spikes of large, cup-shaped blue flowers over slender foliage in mid-summer. To 1.2m. Hardy

Chasmanthium latifolium (Spangle grass): Deciduous perennial grass, with arching stems of flattened spikes. Bronze tints in Autumn. Moist, well-drained soil. Hardy. Up to 1m.

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.

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

Deschampsia cespitosa 'Schottland': Summer flowering grass with dark green leaves and airy silvery purple flower heads, keep their structure long into winter. Hardy. Up to 1.2m.

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.

Echinops ritro 'Veitch's Blue' (Globe thistle): Dark blue spherical flower heads above attractive grey-green foliage. Loved by bees and butterflies. Hardy. Up to 1m [Collect Only]

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 '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.

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

Iris sibirica 'Silver Edge' (Siberian Iris 'Silver Edge'): Rich purple flowers with a fine silver picotee petal edge. [Collect Only]

Kniphofia 'Alcazar' (Red hot poker 'Alcazar'): Tall spikes of vibrant red-orange flowers opening to a paler yellow to give a two-tone effect. Strappy green foliage. Hardy. Up to 1.2m. [Collect Only]

Leucanthemum x superbum 'Sonnenschein' (Shasta daisy 'Sonnenschein'): Shasta daisy with pale yellow flowers with golden centre. Excellent for cutting. Long flowering season. Hardy. Up to 90cm

Lychnis chalcedonica 'Carnea' (Maltese Cross 'Carnea'): A more subtle form of the Maltese Cross with domes of pale peach pink flowers with four petals, hence its common name. Hardy. Up to 100cm.

Lychnis coronaria Atrosanguinea Group (Rose campion (dark red)): Bright magenta flowers over felty, silver foliage. Great for sunny, dry areas can be short lived in a wet, cold winter. To 1.2m Hardy.

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.

Perovskia 'Blue Spire' (Russian Sage 'Blue Spire'): Fine spikes of purple flowers on silver stems. Lovely winter stem effect. Hardy. Up to 1m.

Stipa calamagrostis (Pheasant grass): Deciduous grass with narrow arching leaves and attractive feather-like flowers in summer. Can cope with dry soil. Hardy. Up to 1m.