The formal garden surrounding the house is laid with lawns and borders leading gently down to the ornamental lake, beyond the lawns are paths and drives through camellia woods and orchards, and a fine walled organic vegetable garden. 

Flowers fruits and vegetables are grown here to supply the occupants of the house.

Guests are free to wander the private grounds and organised tours of the gardens can be arranged through head gardener Mr. John Harris.  Mr Harris is a hugely experienced gardener, author and presenter of BBC Radio Cornwall’s gardening programme. Mr Harris will happily give guests an informative and enjoyable tour of the grounds and gardens.  Tressilian orchard currently has more than 110 types of apple tree growing in it.

There is plenty of room for children to run around and a trampoline to burn off energy.  In addition there is croquet and a tennis court.