Caerphilly town was awarded a Silver Gilt Award and Second Place in the town class of Wales in Bloom.
The floral competition forms part of Britain in Bloom, supported by the Royal Horticultural Society.
The judges not only took into account the floral displays, but also the overall appearance of the town and the level of community involvement.
Cllr David Poole, Cabinet Member for Community and Leisure Services said: “We are thrilled to once again be awarded 2nd place in such a prestigious competition. I want to thank all of the residents, staff, community groups and businesses who have worked extremely hard to really make Caerphilly bloom.”