Raised Vegetable beds are simple to make and easy to maintain; use this method and you can achieve a productive vegetable plot where heavy digging becomes a thing of the past. Description from quickcr (Diy Flower Planters)
use vertical railway sleepers to create a curved wall raised beds - curved walls may work with overall design better divide between Mediterranean garden and English garden rather than original oblong med wall bed idea
Jarrah railway sleepers are fairly cheap for their size, and would make great raised beds. I'm thinking of using them to create a terraced vegetable plot, with the espaliered fruit-trees at one end against the wall.