Agapanthus, also known as 'African Lillies' are clump-forming perennials which are a stunning addition to any garden! Its tall flowers are stunning at the back of a herbaceous border.
Agastache are herbaceous perennials which are commonly known as Giant Hyssop. They are perfect for adding colour and vertical dimension to any landscape.
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.