The 39-acre garden at Buckingham Palace has a lake fringed with giant planes and specimen trees, a 156-metre-long herbaceous border, a magnolia dell, a formal rose garden and around 250 wild-flower varieties (tours 25 July-2 October, rct.uk).
At Balmoral, in Aberdeenshire, there is a formal garden created by Queen Mary in the 1920s. There is also a walled garden, a water garden, a rose garden and walks through rhododendrons and azaleas (open daily until 2 August, balmoralcastle.com).
The gardens at Sandringham, in Norfolk, have a more relaxed feel, with two lakes fringed by flowering shrubs and woodland walks with magnolias and camellias (open until 13 October, sandringhamestate.co.uk).
Highlights of the garden at Prince Charles’s residence Highgrove, in Gloucestershire, include the topiarised Thyme Walk and Chelsea award-winning Carpet Garden, and the…