The blooms of ‘The Duchess of Cornwall’ (2021) change with the season, being a rich violet-blue earlier and a darker violet with the warmer temperatures later on. They fade to an attractive mid-blue with time. 

Flowers 4-5” wide / blooms June-Sept / grows 4-5’ tall (1.2-1.5m) / sun to part shade / Pruning Group C / USDA zone 4. 1-gallon pot.

📸 Raymond Evison