Anemone 'Dreaming Swan' (PBR): Pure white flowers with lavender reverse. Hardy. To 60cm. [Collect Only]

Anemone 'Elfin Swan' (PBR): Pure white flowers with lavender reverse. More compact than 'Wild Swan'. Prefers a rich soil in part shade. Hardy. To 50cm. [Collect Only]

Anemone leveillei: Delicate white daisy-like flowers with lovely purple anthers and lilac backed. Foliage forms a mound of divided green leaves. Up to 45cm. [Collect Only]

Anemone Wild Swan = 'Macane001': Pure white flowers with a blueish purple reverse. Flowers on and off all summer. Needs good moist soil. Hardy. To 50cm.

Aruncus aethusifolius (Goat's beard): Lovely fresh ferny foliage which turn golden in the autumn. Spikes of creamy white flowers in early summer. Hardy. Up to 50cm.

Centaurea 'John Coutts' (Knapweed 'John Coutts'): Large almost fluffy soft pink flowers over green, slightly felty foliage with white undersides. To 40cm. Hardy.

Centaurea montana (Perennial cornflower): Large blue flowers in early summer, repeated later in year if cut back. Very attractive to bees. To 50cm. Hardy [Collect Only]

Chaerophyllum hirsutum 'Roseum' (Hairy chervil 'Roseum'): Flat heads of tiny pink flowers over finely cut green foliage. Long flowering from early summer. Informal and soft. Up to 50cm. Hardy.

Chelonopsis moschata: A new introduction from Japan with tubular pink flowers. A shade lover. Hardy. Height to 40cm [Collect Only]

Erigeron 'Adria' (Fleabane 'Adria'): Mound forming perennial forming masses of semi-double purple flowers with central yellow disc. Hardy. Up to 60cm.

Erigeron 'Quakeress' (Fleabane 'Quakeress'): Large pale pink daisy flowers with a yellow eye over strappy, grey green foliage. To 60cm. Hardy. [Collect Only]

Erysimum 'Bowles Mauve' (Perennial wallflower): Ever popular perennial wallflower. Purple flowers above evergreen foliage in spring. [Collect Only]

Festuca amethystina: Evergreen grass with elegant, dusky purple arching flower stalks very early in season, for a grass. [Collect Only]

Francoa sonchifolia (Bridal wreath): Spires of pale pink flowers over semi-evergreen, pinkish-green foliage.

Geranium 'Alan Mayes' (Cranesbill 'Alan Mayes'): Long flowering geranium with bright blue flowers with purple veining. Clumps of hairy green leaves, turning red in autumn. Hardy. Up to 45cm.

Geranium 'Brookside' (Cranesbill 'Brookside'): A reliable, robust variety with large rich blue flowers over a mound of deeply divided leaves. Height to 45cm. Hardy

Geranium 'Ivan' (Cranesbill 'Ivan'): Vibrant magenta-pink flowers with a dark black centre above yellow green leaves. Leaves turn red in autumn. Hardy. Up to 50cm.

Geranium 'Orion' (Cranesbill 'Orion'): A dome of deeply divided foliage, smothered in large blue flowers from early summer onwards

Geranium Dreamland = 'Bremdream' (PBR) (Geranium 'Dreamland'): Pale pink flowers with darker pink veins above attractive bright green foliage. Long flowering. Hardy. Up to 40cm.

Geranium macrorrhizum 'White Ness' (Cranesbill 'White Ness'): Pure white flowers over aromatic, bright green, evergreen foliage. Good groundcover in shade. Hardy. Up to 50cm.

Geranium maculatum 'Vickie Lynn' (Spotted cranesbill 'Vickie Lynn'): Pale lavender flowers above a clump of fresh green divided leaves. Prefers soil that doesn't dry out in summer. Hardy. Up to 45cm.

Geranium nodosum (Knotted cranesbill): Fast spreading hardy geranium with purplish pink flowers over a long season in summer. A great gap filler. Up to 50cm. [Collect Only]

Geum 'Bell Bank' (Avens 'Bell Bank'): Large coral pink flowers over a rosette of crinkled leaves.

Geum 'Flames of Passion' (PBR) (Avens 'Flames of Passion'): Arching stems of double warm red flowers in summer. To 40cm. Hardy [Collect Only]

Geum 'Mai Tai' (PBR) (Avens 'Mai Tai'): Semi-double, pale apricot flowers above green foliage. Long-flowering. Hardy. Up to 45cm.

Geum 'Prinses Juliana' (Avens 'Prinses Juliana'): Bright orange flowers held on tall stems above mounds of rounded foliage. Flowers for ages and reflowers when cut back.

Geum 'Red Wings' (Avens 'Red Wings'): Vibrant semi-double red flowers held on tall stems above rosettes of rounded hairy leaves. Hardy. Up to 50cm.

Geum 'Savannah Sunset' (Avens 'Savannah Sunset'): Apricot, semi-double flowers with red buds held on red stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 35cm.

Geum 'Scarlet Tempest' (PBR) (Avens 'Scarlet Tempest'): Scarlet, semi-double flowers held on tall stems above rosettes of rounded hairy leaves. Long flowering. Hardy. Up to 50cm.

Geum 'Totally Tangerine' (PBR) (Avens 'Totally Tangerine'): Lovely single-flowered bright orange flowers held on erect stems above mounds of green foliage. Hardy. Up to 60cm.

Geum rivale 'Leonards Variety' (Avens 'Leonards Variety'): Coppery- rose flowers held above rosettes of rounded, softly hairy foliage. To 40cm. Hardy

Hemerocallis 'Stella de Oro' (Day Lily 'Stella de Oro'): Pale yellow fragrant flowers with a darker yellow throat. Grass-like green foliage. Hardy. Up to 50cm. [Collect Only]

Lamium orvala: A woodland perennial with large, crushed strawberry colour, lipped flowers in early summer. Hardy. Up to 50cm.

Nepeta 'Six Hills Giant' (Catmint 'Six Hills Giant'): A vigorous sun lover which will soon make a generous clump. Spikes of tiny purple flowers over aromatic grey/green foliage.

Paeonia mlokosewitschii (Peony 'Molly The Witch'): A truly lovely herbaceous peony with pale lemon yellow bowl-shaped flowers, with golden yellow stamens. Hardy. To 60cm. [Collect Only]

Polemonium caeruleum Brise d'Anjou = 'Blanjou' (Jacob's Ladder 'Brise d'Anjou'): Variegated polemonium with ferny creamy yellow and green foliage. It has delicate cup-shaped lilac blue flowers in early summer. Hardy. Up to 60cm.

Polemonium reptans 'Stairway to Heaven' (PBR) (Jacob's Ladder 'Stairway to Heaven'): Superb variety with attractive variegated foliage and lavender blue flowers. To 50cm. Hardy [Collect Only]

Polemonium reptans 'Touch of Class' (PBR) (Jacob's Ladder 'Touch of Class'): Attractive, low-growing form with variegated ferny foliage and pale-blue bell-like flowers. Hardy. Up to 40cm.

Potentilla 'Arc-en-ciel' (Cinquefoil 'Arc-en-ciel'): Double, rich red flowers flecked with yellow at the petal edges. Easy and trouble-free plant, ideal for well drained borders in sun or part shade [Collect Only]

Potentilla 'Blazeaway' (Cinquefoil 'Blazeaway'): Zingy orange flowers, flecked with yellow and red in summer over clumps of dark green foliage. Hardy. Up to 50cm. [Collect Only]

Sesleria heufleriana (Balkan blue grass): Evergreen grass with fresh blue-green tuft-like foliage and purple spike-like flowers in early summer. Hardy. Up to 50cm.

Sisyrinchium striatum 'Aunt May': Open fans of strappy variegated iris-like leaves topped with lemon yellow flowers in summer. Up to 60cm. [Collect Only]

Tellima grandiflora 'Forest Frost' (Fringecups): Slender spikes of pinkish flowers late spring to mid-summer. Semi-evergreen reddish foliage. Great in shade. Height to 30cm. Hardy

Thalictrum 'Purplelicious' (Rue 'Purplelicious'): A new variety which is a more compact plant. Fluffy heads of lilac purple flowers on dark stems in early summer. Hardy. Up to 40cm. [Collect Only]

Veronica gentianoides (Gentian Speedwell): Short spikes of pale-blue flowers above rosettes of evergreen glossy leaves. Good for the edge of a border. Hardy. Up to 45cm.