Sissinghurst Castle Garden, Kent
Arlington Court, Devon
Killerton, Devon
Snowshill Manor and Garden, Gloucestershire
Dunham Massey, Cheshire
Anglesey Abbey, Cambridgeshire
Cornish Engines, Cornwall
Mather
Wallington, Northumberland
Attingham Park, Shropshire
Smallhythe Place, Kent
Kitching and Abud (founded 1824)
Calke Abbey, Derbyshire