I love the idea of a formal vegetable garden. It Italianate--but with cabbage and herbs mixed in. "formal walled vegetable garden with cabbage, cardoon and espalier pear, august rofford manor, oxfordshire"
Picking vegetables at the Eden Project - St Blazey, Cornwall, England. This is a polyculture design of permaculture. Conventional farming uses monoculture planting, which makes the plant more susceptible to pests and disease.