The blade-like foliage of Miscanthus transmorrisonensis is ensconced with Achillea millefolium ‘Cerise Queen’, Agastache ‘Blue Boa’ and Geum ‘Mrs J Bradshaw’, with Lupinus ‘Noble Maiden’. Rosa ‘Iceberg Climbing’ grows over the dark walls, with white umbellifers separating purple Delphinium King Arthur Group and bright-blue Delphinium ‘Guardian Blue’.