Penstemon 'White Bedder'
Shorter variety with lance-shaped foliage and spikes of small, foxglove-like, white flowers throughout summer.
Phormium 'Maori Maiden'
A clump-forming, evergreen perennial with arching, pink, strap-shaped leaves with darker pink to red margins.
Phormium 'Pink Panther'
An evergreen perennial with arching, strap-like pink leaves with deep-red edges.
Phormium 'Pink Stripe'
An elegant variety with dark olive-green strappy leaves with distinctive pink stripes.
Phormium 'Platt's Black'
A dramatic statement plant with arching, linear, purple-black leaves. A stunning centrepiece for a container or as a statement plant in the border.
Phormium 'Sundowner'
Elegant, arching, strap-like, bronze-green leaves with pink-apricot margins.
Phormium cookianum subsp. hookeri 'Tricolor'
A clump-forming, evergreen perennial with arching, sword-like leaves, striped green and creamy-yellow with a thin red margin.
Rhodanthemum 'African Rose'
A rose-tinted form of Atlas Daisy with pink-flushed flowers with dark orange eyes over finely-dissected foliage in late spring and early summer.
Rudbeckia fulgida var. sullivantii 'Goldsturm'
A clump-forming herbaceous perennial with tall stems bearing golden yellow flowers with black centres in summer and into autumn.
Rudbeckia triloba 'Prairie Glow'
A tall perennial with bristly green foliage producing daisy-like, orange-red flowers tipped yellow in summer and into autumn.
Salvia 'Bleu Armor'
A wonderful Salvia with vivid blue flowers from late spring and throughout summer into early autumn, with a compact, well-branched habit.
Salvia 'Cherry Lips'
A bushy, evergreen perennial with aromatic foliage producing flowers opening reddish pink then becoming pink and white as they mature.
Salvia 'Hot Lips'
A bushy perennial with aromatic foliage producing stunning bright lipstick-red and white flowers throughout the summer and into autumn.
Salvia uliginosa
A very tall, robust, herbaceous perennial with sticky, lance-shaped leaves and bearing spikes of blue flowers from summer into autumn.
Salvia x sylvestris 'Crystal Blue' (Color Spires Series)
A clump-forming perennial with roughly-textured, dark green to grey-green, aromatic foliage, producing upright stems of tight clusters of pale blue flowers in summer and early autumn.
Sanguisorba 'Tanna'
A compact perennial with attractive blue-grey foliage and bearing spikes of red flowers in summer.
Scabiosa 'Pink Mist'
Herbaceous perennial with poppy-like, hairy foliage and bearing wiry stems of pink, pincushion-like flowers in summer.
Selinum wallichianum
A clump-forming perennial with erect, purple-red stems and bearing umbels of tiny white flowers from summer into autumn above attractive, lacy foliage.
Silene dioica
A mat-forming, semi-evergreen perennial often found growing wild, with ovate leaves and small clusters of purplish-pink flowers from summer into autumn.
Soleirolia soleirolii
A creeping evergreen perennial forming a wide mat of lush green foliage producing tiny pinkish-white flowers in summer.
Stachys byzantina 'Big Ears'
A mat-forming perennial with velvety, white-hairy green leaves producing spikes of purple flowers in summer.
Symphytum 'Hidcote Blue'
A clump-forming, spreading perennial with ovate, wrinkled foliage and bearing pendulous clusters of red buds opening into blue flowers in summer.
Tellima grandiflora
Rosette-forming perennial bearing greenish white flowers above scalloped foliage from May to July. A particularly good plant for areas of dry shade.
Teucrium flavum
A deciduous perennial or sub-shrub with shiny, green foliage producing spikes of pale yellow flowers with purple bases in summer.
Trollius Superbus
A clump-forming perennial with deeply-divided basal foliage producing globular, lemon-yellow flowers on long stems in late spring and summer.
Tulbaghia violacea 'Alba'
A white-flowering form with linear, garlic-scented, grey-green foliage, producing large clusters of fragrant, white flowers from mid summer into autumn.
Tulbaghia violacea 'Silver Lace'
Clump-forming perennial with linear, variegated, grey-green foliage with a cream stripe producing fragrant lilac coloured flowers from summer into autumn.
Valeriana officinalis
Domed clusters of white to blush pink flowers in summer on tall, branching stems above aromatic foliage.
Verbena bonariensis
Perennial verbena, whose clouds of vivid purple flowers are borne freely on tall, branching stems from midsummer to autumn. Ideal for mixed and herbaceous borders, and excellent for cutting.
Viola hederacea
An evergreen perennial with dark to mid-green leaves and bearing tiny purple and white flowers from spring through until autumn. Will require some winter protection from frosts.