The following are gardens in Northern Ireland, including any garden open to the public. Belfast Botanic Gardens Castlewellan Arboretum & Annesley Garden, Castlewellan, County Down Clandeboye Estate, Bangor, County Down Drenagh, Limavady, County Londonderry Mount Stewart, Newtownards, County Down Rowallane Garden, Saintfield, County Down

See also Register of Parks, Gardens and Demesnes of Special Historic Interest Historic houses in Northern Ireland List of gardens Gardens in England Gardens in Wales Gardens in Scotland Gardens in the Republic of Ireland