Large flat heads of sulphur-yellow flowers over feathery leaves.
Rock thyme forming a low mat with little purple flowers. Aromatic foliage.
Spikes of large, soft blue, hooded flowers in summer; glossy green leaves.
Spikes of purple-blue monkshood flowers.
Erect perennnial with spikes of hooded lilac flowers.
Dramatic purple stems and long-lasting white flowerheads in summer.
Lovely lavender-blue/violet flowers with long spurs and a creamy white centre.
Dense plumes of deep red flowers.
Dwarf form with purple flowers tightly packed along stem and side branches.
Showy golden yellow and cinammon pea flowers on upright stems.
Long spikes of violet pea like flowers on very dark stems.
A handsome evergreen with red flushed leaves and cerise flowers.
Attractive golden tones to silver leaves with green veins.
Deep purple thistle shaped flowers on tall stems above divided leaves.
Brilliantly coloured upright stems turn purple in the autumn
Electric blue flowers and finely divided olive-green foliage.
Pinky lilac flowers above chocolate foliage.
Burning bush. Aromatic plant with long spikes of white flowers with red veins.
Soft mauve flowers on this slow to establish perenial.
'Angel's fishing rod' with deep maroon hanging trumpet flowers on tall stems
Angels fishing rod with variable coloured flowers in white, pink, mauve.
Ochre, yellow tipped flowers on tall spikes above evergreen rosettes of leaves.
Dense spikes of dusky pink flowers.
Amber-yellow flowers on slender stems; red autumn leaf colour.
Large purplish-red flowers on delicate stems above beautifully mottled foliage.
Fantastic columnar, evergreen shrub/tree with scented white open-cup flowers.
Stunning variegated evergreen plant with creamy yellow flowerheads.
Elegant arching stems with masses of white flowers. Good autumn colour.
Dwarf shrub with upright spreading habit and bright yellow flowers up stem.
Short upright stems with bright blue trumpet flowers, with a white throat.
Soft pinkish-red flowers on deep-red stems above ruffled green leaves.
Apricot flowers on deep-red stems above ruffled green leaves.
Low rosettes with green leaves and light blue spherical flowers.
Dwarf form with lace-cap heads of pale blue/pink flowers. Red autumn foliage.
Fleshy, dark purple leaves and purple red flowers. Compact habit
Lemon yellow flowers and bright orange seeds.
Really dwarf form, making a neat, compact pillar, for trough or rock garden.
Korean herbaceous woodlander with soft yellow flowers.
A 'red-hot poker' with large cream to ivory-yellow flowers and bronzed stems.
Red-hot poker with spikes of salmon coloured tubular flowers.
An excellent ground cover plant with variegated green and silver leaves.
Beautiful Chinese edelweiss; white felted star flowers and white-hairy leaves.
Above the light green grass sway pretty sprays of delicate frothy buds.
Purple moor grass with greyish green upright leaves and dark purple-grey spikes
Creeping wire vine. Glossy green leaves and white flowers, then berries.
Bright deep blue flowers above a mat of ovate leaves.
Rare Primula relative; usually purple flowers with reflexed petals, tall stems.
Striking switchgrass whose thin blue grey foliage turns red in autumn
A showy, scented 'wallflower' from America, with lovely pink flowers.
Graceful chartreuse plumes of flowers that give a hazy effect
Elegant pale blue, fragrant flowers.
Elegant starry, very pale blue (almost white), fragrant flowers.
Compact shrub with white cup shaped flowers with a yellow centre.
Whorl of hanging deep pink flowers, sometimes white.
Beautiful, large, lavender to bluish-purple flowers and downy foliage.
Pasque flower with violet flowers, yellow stamens and pale purple stigma.
Yellow flowers, over green foliage.
Large rhubarb with tall stem, covered with pale yellow, hand-sized bracts.
Compact Japanese perennial with spires of pink flowers.
Silvery cushion and sprays of white flowers with red markings on red stems.
Selection with rounded, lime-edged leaves and white flowers.
Unusual, reflexed cream and purple flowers on this small woodland plant.
Compact form with spikes of soft pink flowers with fringed petals.
Nodding, violet-blue, funnel-shaped flowers with fringed edges.
Deciduous shrub with variegated foliage and clusters of deep rosy-pink flowers.
Toad lily with superb starry, white and deep violet flowers.
Pale yellow semi-double bowl-shaped flowers.
Deep pink flowers set against bronze toned leaves make for a useful shrub.