Blair Castle, Dalry, Ayrshire, Scotland, KA24 4ER. Blair Castle Garden will be opening from 12.30pm until 4.30pm on Sunday 12th April 2026 for Scotland’s Garden Scheme. Blair Castle private gardens will be open for visitors to enjoy the beautiful, landscaped gardens which include a collection of trees dating back to the 18th century. The gardens have undergone a major restoration project, with new beds created including a collection of rhododendrons, magnolias and azaleas. This is also the perfect time to see the bluebells on the estate. Cash only. For more information, please click here.