Sunday 11th October 2026 – Green Island Garden will be opening from 11am until 4pm for the NGS at Green Island, Park Road, Ardleigh, Essex, CO7 7SP. This plantsman’s paradise extends to 20 acres of mature woodland gardens, featuring huge island beds, a Japanese garden, terrace, gravel, seaside, and water gardens – all planted with rare and unusual plants! For all the details, please click here.