Actaea simplex 'Brunette' (Baneberry 'Brunette' (Previously known as Cimicifuga)): Spires of scented white flowers in late summer over very attractive ferny dark foliage. A superb plant in part shade. Hardy. Up to 1.5m

Althaea cannabina (Hemp leaved Hollyhock): Very tall, slender, wandy stems with shell pink flowers in late summer

Baptisia australis 'Alba' (Indigo weed - white form): Spires of lipped white flowers over olive-green foliage. Hardy. Flowering height 1.2m.

Cichorium intybus f. album (Chicory- white form): White flowered form of wild chicory. Tall stems, flat white flowers in late summer. Needs a bit of support. Hardy. Up to 2m.

Echinacea 'Hope' (Coneflower 'Hope'): Pastel pink daisy-like flowers with large orange central cone. Large blooms. Attractive to bees and butterflies. [Collect Only]

Echinacea purpurea 'Green Twister' (Coneflower 'Green Twister'): A new variety with a unusual mix of purple and lime green flowers with upturned petals and a central dark cone. Hardy. Up to 60cm.

Echinacea purpurea 'Magnus Superior' (Coneflower 'Magnus Superior'): Superb form with tall stems of pink daisy flowers with a central brown cone. Prefers full sun and good drainage. Hardy. Up to 1m.

Echinacea purpurea 'Rubinstern' (Coneflower 'Rubinstern'): Large pink flowers with a big golden central cone in late summer

Echinacea purpurea 'Virgin' (Coneflower 'Virgin'): A very good pure white form with central golden cone.

Eryngium x zabelii 'Big Blue (Sea Holly 'Big Blue): Large electric-blue thimble-shaped flowers with a spiky collar and silver-green foliage. Long flowering and bee-friendly. Hardy. Up to 75cm [Collect Only]

Kniphofia 'Nobilis' (Red hot poker 'Nobilis'): Tall, heavy spikes of orange flowers on stiff stems in late summer. A bold statement in open, dry, sunny areas

Kniphofia 'Timothy' (Red hot poker 'Timothy'): Tall spikes of creamy orange flowers on bronze stems in mid-late summer. Superb in sunny, dry borders. To 1.2m. Hardy

Liatris spicata 'Alba': Spikes of white flowers in mid to late summer. Very useful vertical accent. Bees adore it. To 80cm. Hardy

Pennisetum alopecuroides 'Hameln' (Fountain grass 'Hameln'): A deciduous clump-forming grass with spectacular feathery flowers tinged purple. Full sun. May need some protection in cold areas. Up to 1m.

Salvia 'Hot Lips' (Sage 'Hot Lips'): Bicolour flowers in white and lipstick red and delicious scented foliage. Half-hardy, copes with -5C in a sheltered spot. To 1m.

Sporobolus heterolepsis (prairie dropseed): Fine deciduous grass with green foliage in summer turning golden. Graceful flower heads in late summer. Needs sunny spot in well-drained soil. Hardy. Up to 1m.

Thalictrum 'Splendide White' (PBR) (Rue 'Splendide White'): Pure white flowers open from spherical buds. Spectacular in dappled shade