Aconitum napellus (Monkshood):
Dark blue hooded flowers over finely divided foliage. This Aconitum flowers early, in late spring/early summer. Height to 1.5m. Hardy.
[Collect Only]
Campanula lactiflora (Milky bellflower):
Clusters of blue flowers on tall stems in mid-summer. Ideal for filling out borders and adding height. Fills out quite quickly too. To 1.5m. Hardy.
[Collect Only]
Centaurea macrocephala (Giant knapweed):
Huge, bright yellow almost fluffy flowers in mid-summer follow attractive papery buds. Attractive to bees. Height to 1.5m. Hardy.
Cephalaria gigantea (Giant scabious):
Very tall wavy stems topped with large lemon yellow scabious-like flowers.Easy to grow. May need staking or support. Hardy. Up to 2m.
[Collect Only]
Cichorium intybus (Wild chicory):
Beautiful cornflower-blue flowers held on tall stems in late summer. May need support. Hardy. Up to 2m.
Crocosmia 'Lucifer':
Swathes of brilliant scarlet flowers over bold strappy green foliage. Easy and trouble free as long as soil is not too wet. To 1.2m. Hardy.
[Collect Only]
Cynara cardunculus (Cardoon):
Dramatic, tall silver leaved plant topped with large purple thistle flowers in mid-summer. Hardy. Up to 2.5m.
Fagopyrum dibotrys:
Tall statement plant for the back of a border. Airy white flowers in late summer. Heart-shaped leaves. Stems red in autumn. Vigorous. Hardy. Up to 1.5m.
Filipendula rubra 'Venusta' (Meadowsweet 'Venusta'):
Cultivated form of Meadowsweet with large heads of deep pink flowers like candyfloss.Tall plant up to 2.5m. Prefers moist but well-drained soil
[Collect Only]
Foeniculum vulgare 'Purpureum' (Bronze fennel):
Finely divided, aniseed scented, bronze-purple foliage, followed by tall yellow umbel flower heads. Attractive to bees. Hardy. Up to 1.8m.
[Collect Only]
Helianthus 'Monarch':
A perennial sunflower with tall, semi-double bright yellow flowers. Prefers a sunny spot. Flowering late summer. Hardy. Up to 2.5m.
Leucanthemum x superbum 'Wirral Supreme':
Tall form of Shasta daisy with white flowers and multiple shorter petals around the golden centre, making an attractive frilly effect. Hardy. Up to 1.5m.
[Collect Only]
Ligularia przewalskii:
Elegant spikes of golden yellow flowers on black stems above very deeply divided green foliage.
[Collect Only]
Phlomis tuberosa 'Amazone':
Tall spikes bearing whorls of pink spikes in mid-summer. Hardy. To 1.5m
[Collect Only]
Salvia uliginosa (Bog Sage):
Branched stems of clear blue flowers and lance-shaped leaves. Needs a sunny spot but with moist soil. Hardy. Up to 2m. AGM.
Sanguisorba canadensis (White burnet):
Bottle-brush white flowers in late-summer above green pinnate foliage. Very tactile plant. Long flowering. Hardy. Up to 2m
Sanguisorba tenuifolia 'Purpurea':
Tall dark-red purple bottle-brush flowers over fine, frondy foliage. Likes sun or dappled shade, not too dry. To 1.5m Hardy.
[Collect Only]
Sanguisorba tenuifolia var. alba 'Korean Snow':
A very tall form with white fluffy tassel-like flowers above attractive ferny green foliage. Prefers full sun, will tolerate some shade. Hardy. Up to 1.8m.
[Collect Only]