Buy Purple, Late Summer, Over 1.2m, Moist Soil, Part-shade Aspect plants online UK

Molinia caerulea 'Heidebraut' (Purple moor grass 'Heidebraut'): Elegant flower stalks with slender purple flower heads in late summer. Makes an upright, vase shape. To 1.2m. Hardy

Molinia caerulea 'Poul Petersen' (Purple moor grass 'Poul Petersen'): Very handsome grass, much beloved by modern garden designers. Makes an upright, vase shape of burnished gold in autumn.

Thalictrum 'Splendide' (Rue 'Splendide'): Superb Thalictrum with clouds of purple flowers open for a very long time in late summer. Hardy. Up to 1.5m

Veronicastrum virginicum 'Lavendelturm' (Culver's Root 'Lavendelturm'): Long, narrow spires of tiny, pale lavender-blue flowers above whorls of narrow, dark green, serrated leaves. Tall to up to 2m. [Collect Only]