Summer borders in the Millennium Garden designed by Xa Tollemache are edged with Lavandula × intermedia 'Grosso' and feature Phlox paniculata 'White Admiral', Perovskia atriplicifolia 'Blue Spire', dark leaved Dahlia 'Twyning's After Eight and silvery pear, Pyrus salicifolia 'Pendula'. Castle Hill, Barnstaple, Devon, UK