Herbaceous Perennials
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Caucasian Valerian Valerianaceae
Broad-leaved rosette with stout stems bearing umbels of fluffy pink flowers in summer. Collected from Bakuriana, Georgia in 2010.
Common Valerian Valerianaceae
Our native Valerian with tall umbels of foxy-scented pink flowers. Attractive cottage garden effect. Sun or part-shade. Ht 1.5m. Europe.
Pyrenean Valerian Valerianaceae
Broad-leaved rosette with stout stems bearing umbels of fluffy pink flowers in summer. Thrives in sun or part-shade. Moist to dry soils. Readily self-seeds. Dramatic effect. Grown here since 1692.
Inside Out Flowers Berberidaceae
Canadian west coast perennial groundcover related to Epimediums. Reflexed white flowers in panicles. Shade. Ht 30cm. NW USA.
Purpletop Vervain Verbenaceae
Tall slender airy perennial, growing to 1.2m. Terminal clusters of rose-purple flowers in summer. Self-seeds. Bee plant. Brazil.
Blue Vervain Verbenaceae
Clump-forming herbaceous perennial with serrate leaves and tall branching stems of blue flowers. Sun. Ht 1.6m. USA.
Rosy Blue Vervain Verbenaceae
Clump-forming herbaceous perennial with serrate leaves and tall branching stems of rose-pink flowers. Sun. Ht 1.6m. USA.
Arkansas Ironweed Asteraceae
Large panicles of small purple-red flowers on tall stems in September-October. Sun. Ht 1.8m. USA.
Mammuth Arkansas Ironweed Asteraceae
Large flowered form of the Arkansas Ironweed. With purple-red blooms in late August-October. Excellent with Miscanthus. Sun. Ht 1.8m. USA.
Smooth Ironweed Asteraceae
Tall herbaceous perennial with lanceolate deep green leaves and bright purple flowers in August-October. Ht 1.8m. USA.
New York Ironweed Asteraceae
Tall clump-forming perennial with purple flowers in late summer. Earliest of the Ironweeds in flower. Ht 2m. USA.
Saw-leaved Speedwell Plantaginaceae
Neat compact front of border veronica with bright blue flowers in early summer. Sun. Ht 40cm.
Gentian Speedwell Plantaginaceae
Slowly spreading rosettes of glossy green leaves and short spikes of white/pale blue flowers. Sun. Ht 40cm.
Gentian Speedwell Plantaginaceae
Slowly spreading rosettes of glossy green leaves and short spikes of white/pale blue flowers. Sun. Ht 40cm.
Prostrate Speedwell Plantaginaceae
Matt-forming perennial with deep blue flowers and contrasting bright golden-yellow leaves. Sun. Ht 10cm. Sp 40cm.
Culver’s Root Plantaginaceae
Pink flowered form similar in habit to V. v. ‘Album’. Erect neat spikes of foliage and flowers. Bee plant. Ht 1.5-1.8m.
Culver’s Root Plantaginaceae
Clump-forming perennial with dark green leaves and spikes of white flowers in late summer. Ht 1.2m.
Culver’s Root Plantaginaceae
A variety with leafy stems and long lilac blue flower spikes and bright green buds. Stately. Ht 1.5m.
Culver’s Root Plantaginaceae
Tall branching stems of lavender spikelets. Another stately form. Ht 1.8m.
Culver’s Root Plantaginaceae
Curious form with horizontal pointing flower spikes in pale lilac blue. Ht 1.2m.
Culver’s Root Plantaginaceae
Loose racemes of rose-purple flowers from July-August with deep green whorled leaves. Well-drained sun. Ht 1.2-1.5m.
Cretan Swallow-wort Apocynaceae
Small shrubby deciduous perennial with pale green flowers in the axils. Sun. Ht 50cm Crete.
White-flowered Sweet Violet Violaceae
Early flowering sweet violet with fragrant white flowers and heart-shaped leaves. A true sentinel of spring.
White Violet Violaceae
Small mounding violet with showy white flowers in early spring and heart-shaped leaves. Ht.10cm. Always popular.
Violet ‘Freckles’ Violaceae
Small mounding violet with unusual attractive white flowers with purples freckles, in early spring and heart-shaped leaves. Ht 10cm.
Confederate Violet Violaceae
Mounding violet with white flowers and violet centres in spring and early summer. Sun or part-shade. Ht 10cm.
Black Heartease Violaceae
Short-lived perennial with deep blue-black pansy flowers. Long flowering. Self-seeding. Always a pleasure. Sun. Ht 15cm.
Violet ‘Red Giant’ Violaceae
Large rose-red flowers in early spring amongst oval heart-shaped leaves. Robust. Ht 10cm.
Sweet Violet ‘Reine de Blanches’ Violaceae
Frilly double white flowered sweet violet. Very popular with the Victorians. Sun or part-shade. Ht 15cm.