Worcestershire, Arley Arboretum is one of the oldest Arboretums in Great Britain. There is a beautiful Italianate Garden within the walled Garden which is planted throughout the year. Planted against the walls are a wonderful collection of camellias.
Arley Arboretum
See Full Details and Opening Times
Buckinghamshire, The Long Garden at Cliveden with its topiary and statuary is really impressive. There is a Japanese water garden, splendid rose garden, woodland and riverside walks with magnificent vistas. House open certain times
https://www.nationaltrust.org.uk/cliveden/
Cornwall, Glendurgan Garden - Lovely in early summer with rhododendrons, magnoilas, camellias and bluebells and with maze for children. Another beautiful place to visit in Cornwall
Glendurgan Garden
Suffolk, Somerleyton Hall in Suffolk one of Britain's finest stately homes and gardens
https://www.somerleyton.co.uk