The following links may useful:-
The Post Inn Whiddon Down :- https://www.thepostinnwhiddon.co.uk Good place for a meal and drink. Friendly traditional local hostelry.
Ashburton Food Festival:- https://facebook.com/events/578483705642578
Nourish Festival at Bovey Tracey :- http://www.nourishfestival.org
NCCPG :- http://www.nccpg.com
Royal Horticulture Society :- http://www.rhs.org.uk
Plants for a Future :- http://www.pfaf.org