RHS Pocket Diary 2026

The  Royal Horticultural Society, founded in 1804 as the Horticultural Society of London,   is the UK's leading  gardening  charity. The RHS promotes  horticulture  through its five gardens at  Wisley  (Surrey),   Hyde Hall  (Essex),   Harlow Carr  (Yorkshire),   Rosemoor  (Devon) and  Bridgewater  (Greater Manchester); flower shows including the  Chelsea Flower Show,   Hampton Court Palace Flower Show,   Tatton Park Flower Show  and Cardiff Flower Show; community gardening schemes; Britain in Bloom and a vast educational program. It also supports training for professional and amateur gardeners.