Laurent-Perrier Bicentenary Garden, designed by Arne Maynard, RHS Chelsea Flower Show 2012. Pleached copper beeches underplanted with purple valerian (Centranthus lecoqii), Delphinium requeneii, white sweet rocket (Hesperis matronalis var. albiflora), Persicaria bistorta 'Superba', and wild strawberries.