Events in Cornwall - August

The Cornish Dahlia Society’s Annual Show

Saturday 29th–Monday 31st August 2026
The Lost Gardens of Heligan, Pentewan, St Austell, PL26 6EN
Included with garden entry

The Cornish Dahlia Society returns to Heligan for its annual show over the August bank holiday weekend, with competitive classes for growers and the chance to meet society members and pick up tips for growing dahlias at home.

Find out more about the Cornish Dahlia Society’s Annual Show

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