Tregrehan Rare Plant Fair is from 10am until mid afternoon on Sunday 31st of May 2026 at Tregrehan Gardens, near St. Blazey, Par, Cornwall, PL24 2SJ. Location: www.what3words.com Website Location Finder, Garden Entrance ///email certainly cling///, Garden Carpark ///opponent users blubber///. The Garden entrance is signposted off the A390, 1/2 mile west of St Blazey, and 2 miles east of St Austell, on the north side of the road. Please be aware that there is a formal Council highway road sign pointing towards Tregrehan just west of the garden entrance, this needs to be ignored. The garden entrance is well signposted nearly opposite the Britannia Inn on the A390 through granite gateposts.