5. The pale blue and soft pink bay includes a huge, pollarded specimen of Catalpa – its large, dark green, purple-flushed leaves form a spectacular backdrop to a range of perennials, including Paeonia lactiflora ‘Sarah Bernhardt’.
6. Next to the Rose Rope Walk, the final border is awash with purple, mauve and lilac. Key plants include Salvia nemorosa ‘Caradonna’, with its deep purple flower spires, and Aster x frikartii ‘Mönch’, providing a mass of pale purple flowers from late summer into autumn.