It was situated in a part of Britain with strong connections to the then-burgeoning Arts and Crafts movement and an Anglicized American artistic expatriate community centred nearby at Broadway, Worcestershire.
[5] After World War II Johnston spent most of his time at Jardin Serre de la Madone, his garden in the south of France; and in 1947 he entrusted Hidcote to the National Trust.
In 2007 a temporary garden designed by Chris Beardshaw that drew inspiration from Johnson's Hidcote was constructed at the Chelsea Flower Show in London.
The theme was in the air: Vita Sackville-West and Harold Nicolson's Sissinghurst Castle Garden was laid out as a sequence of such spaces, without, it seems, direct connection with the reclusive and shy Major Johnston.
[citation needed] Johnston's care in selecting the best plants is reflected in the narrow-leaved lavender, Lavandula angustifolia 'Hidcote', in the Penstemon 'Hidcote Pink' and in the hybrid Hypericum 'Hidcote Gold', acclaimed as the finest hardy St John's Wort, Alice Coats records.