The Bartley potager from "Designing the New Kitchen Garden" by Jennifer Bartley. This is my favorite garden of the moment. I love the bed shapes and the brick paths.
planting detail of Lurie Garden at Millenium Park in downtown Chicago; planting design by Piet Oudolf
Blue and purple border with salvia, symphutum and geranium
The Millenium Garden, designed by Piet Oudolf has swathes of herbeaceous perennials and ornamental grasses. Pensthorpe Nature Reserve, Norfolk, UK