Aruncus 'Horatio' (Goat's beard 'Horatio'): A very elegant form of the familiar goat's beard, with fine sprays of creamy flowers in summer. To 1.2m. Hardy [Collect Only]

Aruncus dioicus (Goat's beard): Stately plant for larger borders or feature plant. Deeply divided foliage, frothy panicles of creamy white flowers in summer. Hardy. Up to 2m.

Campanula lactiflora 'Alba' (Milky bellflower 'Alba'): Tall stems with clusters of pure white flowers in mid-summer. Ideal for filling out borders and adding height. Hardy. Up to 1.2m

Campanula persicifolia (Peach-leaved bellflower): Tall spikes of large, cup-shaped blue flowers over slender foliage in mid-summer. To 1.2m. Hardy

Digitalis grandiflora (Yellow foxglove): Perennial foxglove with yellow bell-shaped flowers above clumps of evergreen lance-shaped leaves. Bee-friendly. Hardy. Up to 1m. AGM

Geranium psilostemon (Armenian cranesbill): Big magenta flowers with shiny black eye. Tall and vigorous. To 1.2m. Hardy.

Hemerocallis 'Stafford' (Day lily 'Stafford'): Large, velvety red flowers with a gold throat in mid-late summer. Height to 70cm. Hardy. [Collect Only]

Iris sibirica 'Silver Edge' (Siberian Iris 'Silver Edge'): Rich purple flowers with a fine silver picotee petal edge. [Collect Only]

Leucanthemum x superbum 'Becky' (Shasta daisy 'Becky'): Shasta daisy with clean white flowers with golden centre. Long flowering season. Ideal for sunny border. Hardy. Up to 1m.

Leucanthemum x superbum 'Sonnenschein' (Shasta daisy 'Sonnenschein'): Shasta daisy with pale yellow flowers with golden centre. Excellent for cutting. Long flowering season. Hardy. Up to 90cm

Lychnis chalcedonica 'Carnea' (Maltese Cross 'Carnea'): A more subtle form of the Maltese Cross with domes of pale peach pink flowers with four petals, hence its common name. Hardy. Up to 100cm.

Lythrum salicaria 'Blush' (Loosestrife 'Blush'): Tapering, sturdy spikes of soft pink flowers in mid to late summer. To 1.2m. Hardy

Lythrum salicaria 'Feuerkerze' (Loosestrife 'Firecandle'): Tapering, sturdy spikes of bright pink flowers in mid to late summer. To 1.2m. Hardy

Lythrum virgatum 'Dropmore Purple' (Wand loosestrife 'Dropmore Purple'): Upright spikes of purple-pink flowers in the mid-summer with lance-like foliage. Prefers a moist soil. Hardy. Up to 1m.

Monarda 'Schneewittchen' (Bergamot 'Schneewittchen'): Whorls of pure white flowers held high above aromatic foliage. Does well in sun or part shade and in moist soil. Attractive to bees. To 90cm. Hardy.

Phlox paniculata 'Norah Leigh': A bold variegated phlox with pale pink almost white flowers with dark pink eye. Lovely fragrance. Hardy. Up to 1m.

Thalictrum delavayi 'Hewitt's Double' (Chinese meadow rue 'Hewitt's Double'): Tiny purple pom-pom flowers dance airily above ferny grey-green foliage. Height to 1.2m. Hardy