Federation of City Farms & Community Gardens assistant chief executive officer Ian Egginton-Metters was awarded an OBE. Martin Woods, head gardener at the Sandringham Estate, was made a member of the Royal Victoria Order.
A Royal Victorian Medal went to Ian Garnett, gardens team supervisor at the Crown Estate, Windsor. Belfast City Council director of parks and leisure William Hassard became an MBE for services to local government.
Other new MBEs include Professor William Lee for services to the restoration of Birkenhead Park and the community in Birkenhead, Brian Mahony for his role as director of Forest Enterprise England and Royal Botanic Garden Edinburgh plants officer Dr Heather McHaffie for services to plant conservation in Scotland.
In addition, Gordon Eastham, grounds maintenance manager at the University of York, was given a British Empire Medal. Ian Cheshire, chief executive at B&Q parent company Kingfisher, was awarded a knighthood.