0252627 Base of vertical garden tower rising out of pond with mixed planting. Achillea argentea, Gypsophila repens rosea, Heuchera, Sedum acre 'aureum', Sedum album 'Coral Carpet', Sedum spathulifolium, Silene maritima, Thymus 'Doone Valley', Thymus 'Silver Queen', Thymus citriodorus 'variegatus'. Future Nature, designed by Adrian Hallam, Chris Arrowsmith and Nigel Dunnett sponsored by Yorkshire Water, University of Sheffield Alumni Fund, Green City Initiative and Buro Happold. RHS Chelsea Flower Show 2009.Show all