David Hockney’s first English landscape on show for first time in almost 30 years

English Garden, painted in 1965, is on display before it goes under the hammer with estimate of 2.5m-3.5m

David Hockney's first English landscape, depicting a perfectly manicured Oxfordshire garden, is on show for the first time in three decades before being auctioned.

Sotheby's said the 1965 painting, English Garden, which was completed in Boulder, Colorado, was pivotal for Hockney as well as holding an important place in wider art history.