Allium senescens (German garlic/Broadleaved chives): Clusters of pale pink or white flowers, slender strappy leaves which don't die back when the plant is in flower. Hardy. Up to 30cm.

Astrantia major (Greater masterwort): White/green pincushion flowers. Good for drying, I'm told! Great in sun/shade in soil that isn't too dry. Hardy. Up to 60cm.

Astrantia major 'Roma' (PBR) (Hattie's pincushion, Masterwort 'Roma): A fine pink Astrantias with very long lasting pink flowerheads. Easy to grow in any spot that's not too dry. Hardy. Up to 50cm.

Campanula takesimana 'Elizabeth' (Korean Bellflower): Upright stems with dark pink drooping large bells. Can be vigorous on good soil. May need some support. Bee-friendly. Hardy. Up to 70cm.

Centaurea 'Jordy' (Perennial cornflower 'Jordy'): Beautiful maroon-purple flowers over felty silvery-green foliage.

Centaurea montana 'Parham' (Perennial cornflower 'Parham'): Large lavender purple fluffy flowers over silvery-green foliage. To 40cm. Hardy

Centaurea montana 'Violetta (Perennial cornflower 'Violetta'): Large purple cornflower-like flowers over grey-green foliage. Very attractive to bees and butterflies. Up to 40cm. Hardy.

Centranthus ruber 'Albus' (White Valerian): White panicles of white flowers in mid-late summer. Very easy, self-seeds. Perennial and hardy. To 60cm. [Collect Only]

Coreopsis verticillata 'Grandiflora' (Tickseed 'Grandiflora'): Compact variety with bright and cheery golden yellow daisy-like flowers. Held on wiry stems. Hardy. Up to 60cm. [Collect Only]

Filipendula palmata 'Nana': Shorter form of meadowsweet with heads of frothy pink flowers above dark green divided foliage. Prefers moist well-drained soil. Hardy. Up to 40cm.

Geranium 'Nimbus' (Cranesbill 'Nimbus'): Makes medium sized domes of finely divided foliage smothered in purplish blue flowers in early summer. To 50cm. Hardy

Geranium 'Red Admiral' (Cranesbill 'Red Admiral'): A compact, cultivar with masses of magenta pink flowers and black veining above green deeply divided foliage. Hardy. Up to 60cm.

Geranium 'Sirak' (Cranesbill 'Sirak'): Large, trumpet shaped glowing pink flowers for a long period from May to August. Fully hardy. Height to 60cm.

Geranium palmatum: Bright pink flowers held on wiry stems above rosettes of evergreen foliage. To 60cm. Frost hardy.

Geranium pratense 'Mrs Kendall Clark' (Meadow cranesbill 'Mrs Kendall Clark'): Palest purpley/grey flowers, makes a good mound of foliage. Hardy. To 40cm.

Hemerocallis 'Corky' (Daylily 'Corky'): Slender yellow trumpets with mahogany stripe on back. Flowers held high on black stems above fine foliage. Superb plant. To 60cm. Hardy

Hosta 'Patriot': Large green leaves cleanly edged in white. Lilac flowers in summer. To 50cm. Hardy.

Knautia macedonica (Macedonian scabious): Lovely dark pink, scabious-like flowers from early to late summer.

Monarda 'Fireball' (PBR) (Bee Balm/Bergamot 'Fireball'): Whorls of scarlet-red flowers above clumps of lance-like aromatic foliage. Long flowering. Prefers a moist soil. Hardy. Up to 60cm. [Collect Only]

Origanum 'Rosenkuppel' (Oregano 'Rosenkuppel'): A lovely cultivar with scented foliage and erect stems with dark pink/purple flowers. Loved by bees and butterflies. Non-edible form. Hardy. Up to 60cm.

Penstemon 'Schoenholzeri': Brilliant scarlet tubular flowers, slender leaves.

Penstemon 'Sour Grapes' (Syn. Stapleford Gem): Purple-blue tubular flowers with a metallic sheen and patches of white in the throat. Protect from hard frosts. To 60cm.

Penstemon 'White Bedder': Pure white tubular flowers over semi-evergreen foliage. Frost-hardy perennial. Up to 60cm.

Polemonium caeruleum f. albiflorum (Jacob's Ladder - white form): Clusters of pure white flowers over foliage with leaflets arranged in pairs.Good in part shade. To 50cm. Hardy.

Potentilla 'Esta Ann' (Cinquefoil 'Esta Ann'): Vibrant yellow flowers with a red centre held well above a mound of dark green strawberry-like foliage. Hardy. Up to 40cm.

Potentilla 'Gibsons Scarlet' (Cinquefoil 'Gibsons Scarlet'): Loose sprays of single crimson flowers in summer. Long flowering period. Hardy. Up to 50cm. [Collect Only]

Potentilla nepalensis 'Miss Willmott' (Cinquefoil 'Miss Willmott'): Cherry pink flowers with a darker centre above dark green strawberrry-like foliage. [Collect Only]

Potentilla thurberi 'Monarch's Velvet' (Cinquefoil 'Monarch's Velvet'): Dark red velvety flowers with a darker eye held daintily above green, deeply divided foliage

Primula x bulleesiana: Candelabra primula with upright tall stems of mixed bright orange-yellow, pink and purple flowers from a rosette of green leaves. Hardy. Up to 60cm.

Stachys macrantha 'Rosea' (Betony 'Rosea'): Upright spikes of pale pink flowers above pointed dark green foliage. The flowers are a bit orchid like in shape. Very attractive to bees. To 50cm. Hardy. [Collect Only]

Stipa tenuissima (Mexican feather grass.): Soft plumes of very tactile grass from early summer. Stands well through winter, turning progressively more pale. To 50cm.

Stipa tenuissima 'Wind Whispers' (Syn. Nassella tenuissima): Soft plumes of very tactile grass from early summer. Stands well through winter

Tradescantia (Andersoniana Group) 'Innocence' (Spider lily 'Innocence'): Three-petalled pure white flowers with purple tinged anthers. Strappy bright green foliage.

Tradescantia (Andersoniana Group) 'Osprey' (Spider lily 'Osprey'): Three-petalled white flowers with a fluffy blue centre above strappy foliage. Great as a ground clump former in sun or part shade.

Tradescantia (Andersoniana Group) 'Red Grape' (Spider lily 'Red Grape'): Three-petalled large, reddish-pink flowers above strappy green foliage. Great as a ground clump former in sun or part shade. Hardy. Up to 50cm.

Veronica longifolia 'Charlotte' (PBR) (Long-leaved speedwell 'Charlotte'): Spikes of white flowers, slender variegated leaves. Good in sun or part shade. Hardy. Height to 40cm.

Veronica longifolia 'Melanie White' (Long-leaved speedwell 'Melanie White'): Spikes of pure, clean white flowers, and long slender foliage. Good in sun or part shade. Good as a cut-flower. Hardy. Up to 60cm.