1851 C. Brontë Let. 24 May in E. C. Gaskell (1857) xxiii I know nothing of such an orchard-country as you describe.
1900 12 Sept. 5/1 A visit to the orchard country in the garden of England is a revelation.
1992 M. Urban xxiv. 227 What the locals call ‘orchard country’, where the slopes of the rolling countryside are dotted with apple trees.