A - B   C - E   F - J   K - O   P - S   T - Z   Gardens by Region

K
Kailzie Gardens - (Scotland)
Kedleston Hall - (Derbyshire)
Kelmarsh Hall - (Northampton)
(John F.) Kennedy Arboretum - (Republic of Ireland)
Kew Gardens, Royal Botanic Gardens - (Surrey)
Kiftsgate Court - (Gloucestershire)
Killerton House - (Devon)
Kingston Lacy - (Dorset)
Kingston Maurward Gardens - (Dorset)
Knebworth House - (Hertfordshire)
Knightshayes - (Devon)
Knoll Gardens & Nursery - (Dorset)

L
Lady Farm - (Somerset)
Lakemount - (Republic of Ireland)
Lanhydrock - (Cornwall)
Larmer Tree Garden - (Wiltshire)
Leeds Castle & Gardens - (Kent)
Leith Hall & Gardens - (Scotland)
Leonardslee Lakes & Gardens - (West Sussex)
Levens Hall - (Cumbria)
Little Sparta - (Scotland)
Lochinch Gardens & Castle Kennedy - (Scotland)
Logan Botanic Garden - (Scotland)
Long Close - (Leicestershire)
Longleat - (Wiltshire)
Longstock Park Water Gardens - (Hampshire)
Loseley Park - (Surrey)
Lullingstone Castle - (Kent)
Lyme Park - (Cheshire)
Lytes Cary Manor - (Somerset)

M
Manderston - (Scotland)
Mannington Hall - (Norfolk)
The Manor House - (Hampshire)
Mapperton - (Dorset)
Marle Place Gardens & Gallery - (Kent)
Marwood Hill - (Devon)
Melbourne Hall Gardens - (Derbyshire)
Mellerstain - (Scotland)
Merriments Gardens - (East Sussex)
Mill Barn - (Lancashire)
Mill Dene Garden - (Gloucestershire)
Millennium Seed Bank & Wakehurst Place Garden - (West Sussex)
Millgate House - (Yorkshire)
Minterne - (Dorset)
Misarden Park - (Gloucestershire)
Monk's House - (East Sussex)
Montacute House - (Somerset)
Mothecombe Gardens - (Devon)
Mottisfont Abbey Garden - (Hampshire)
Mount Ephraim Gardens - (Kent)
Mount Stewart House & Garden - (Northern Ireland)
Mount Usher Gardens - (Republic of Ireland)
Muckross House & Gardens - (Republic of Ireland)
Muncaster Castle - (Cumbria)
Museum of Welsh Life - (Wales)
Myddelton House Gardens - (Middlesex)

N
National Arboretum, Annesley Gardens and... - (Northern Ireland)
National Botanic Garden of Wales - (Wales)
National Botanic Gardens - (Republic of Ireland)
National Museum of Gardening & Trevarno Estate - (Cornwall)
Ness Botanic Garden - (Cheshire)
Nettlestead Place - (Kent)
Newby Hall & Gardens - (Yorkshire)
Newstead Abbey - (Nottinghamshire)
North Cove Hall - (Suffolk)
Norton Priory Museum & Gardens - (Cheshire)
Nostell Priory - (Yorkshire)
Nunnington Hall - (Yorkshire)
Nymans - (West Sussex)

O
The Oates Museum & Gilbert White's House - (Hampshire)
The Old Cottage Garden - (Norfolk)
The Old Rectory - (Northampton)
Old Thatch - (Buckinghamshire)
Orchards - (Leicestershire)
Osborne House - (Hampshire)
Osterley Park - (Middlesex)
Overbecks Museum & Gardens - (Devon)
Oxburgh Hall - (Norfolk)
Oxford Botanic Garden - (Oxford)