The Drought Tolerant Garden at the RHS Hampton Court Palace Garden Festival 2019. Designers: David Ward and Beth Chatto. Planting combination for a dry gravel garden includes Sedum 'Weinstephner Gold', Osteospermum 'Lady Leitrim', Eriophyllum lanatum, Euphorbia myrsinites, Stipa tenuissima, Linaria purpurea 'Poached Egg', Buddleja, Verbena rigida