On the North Coast of Devon are:
Clovelly Court Gardens is a walled garden protected from the prevailing wind by a row of lime trees, it is wonderful refuge in the middle of the fascinating private village of Clovelly. It contains a victorian kitchen garden.
Hartland Abbey these gardens were first started by Augustinian Cannons in the 12th century. After World War 1 they were largely abandoned and only after a huge amount of recent restoration have they regained and surpassed their former glory. The woodland part of the garden is a blaze of colour in the spring and ther is also a wonderful walled garden, protected from the Atlantic Gales.Helford Passage, on the coastal path hosts 2 wonderful gardens:
Just off the coast at Marazion is the coastal island of St Michael's Mount and dispite its exposure they have a wonderful garden that clings to the hillside beneath the castle walls.
At Helford Passage are 2 great gardens:
Trebah - is a 26 acre sub-tropical garden, it is open daily from 10:00 until 15:30 and is set in a sheltered south facing valley, the path path passes across the bottom of the garden.
Glendurgan - is a National Trust Garden in an adjoining valley to Trebah, also sub-tropical. Open between 10:30 and 17:30
Between Portloe and Mevagissey is the lovelly Caerhays estate. There is a 200 year old castle and a 140 acre Spring Garden (open mid February until the beginning of June). This garden has wonderful camelias.
Just before arriving in Plymouth the path takes you through Mount Edgcumbe Park, this contains formal gardens in the Italian, English, French, New Zealand and American styles.