Trewidden is owned by the Bolitho Family, and is part of the 8000 acre Bolitho Estate in West Cornwall. The gardens at Trewidden were initially laid out by Thomas Bedford Bolitho (1835 -1915) during the 1880's around a clay lined pond creating one of the finest gardens in South West England.

The House at Trewidden is not open but is available to let as a luxury holiday home.

The Gardens at Trewidden have only been regularly open to the public since 2001, though there is much to see. It is essentially a springtime garden, but there is plenty of colour in every season and since 2005 the gardens have been open right through to October.

The Gardens include; Higher Garden, Pond Garden, North Walk. Middle clearing in front of the House (with a lake), Garden Drive, The Burrows, Rock Garden, Tree Fern Dell, Little Bluebell Wood, Camellia Garden, Lower Garden, Nursery Drive & the South Garden.

Trewidden is particularly famous for its camellia collection built up over the past century which is one of the largest at over 300 cultivars. The magnolia trees are some of the largest in the country, while the Tree Fern Dell claims to have the largest collection of dicksonsias in the northern hemisphere, some of them over 150 years old and the Pond Garden contains a stand of huge Gunnera.

Specimens include the gardens own magnolia 'Trewidden Belle', Butia capitata (jelly palm),    Chilean nut-trees (Gevuina avelllana) and a Metasequoia glyptostroboides (Dawn Redwood tree) with the widest girth in the South West of England. This tree was amongst the first to be introduced to Britain shortly after the second World War.

Trewidden Nursery offers unusual and specialist plant sales, light refreshments are also available.