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.
Alliums are known as 'Ornamental Onions', they are renowned for their striking flower colour, inflorescence and their remarkable flowering height. They are very easily grown and absolutely stunning when planted in drifts.
'Italian Bugloss' is a biennial or short-lived perennial however, do not let this put you off. It is still a magnificent plant with stunning flowers and structural integrity.