Aubrieta, also known as 'Rock Cress' are mat-forming evergreen perennials, with small leaves and short stems bearing 4-petalled flowers in shades of pink, purple and blue in spring.
Aquilegia is a genus of clump-forming, short-lived perennials, which are commonly known as columbines. The different varieties offer an array of colour that can be used in your garden or patio.