RHS Hampton Court Palace Flower Show 2018 The Entertaining Garden displays classical and more unusual botanicals that create a colourful juxtaposition and showcase the variety of gin flavours. Trees: Betula nigra Juniperus communis 'Hibernica' Juniperus virginiana 'Hetzii' Hedge: Native Hedge Mix (Rowan, Blackthorn, Dogwood) Perennials / Shrubs: Achillea 'New Vintage White' Aloysia citrodora Althea officinalis Agastache 'Blue Fortune' Artemisia absinthium Artemisia schmidtian