Cambridgeshire, The garden at Anglesey Abbey was developed by the 1st Lord Fairhaven from 1926 and has become one of the British Isles most beautiful 20th century gardens.
https://www.nationaltrust.org.uk/anglesey-abbey/
See Full Details and Opening Times
Hampshire, The Sir Harold Hillier Gardens and Arboretum are lovely in every season.
Hillier Garden
