Purple

A hardy perennial, climbing plant on a woody stem, to 8 m (26 ft.), it clings to its support with...

A hardy annual, up to 1.5 m (5 ft.) tall, it has oblong, deeply lobed, blue-green leaves. Large, lilac, pink...

A hardy biennial, growing on a strong taproot, the spiny, toothed, dark-green leaves have a striking cobweb-effect pattern of white...

A hardy perennial, 30-90 cm (1-3 ft.) tall, it has coarse-textured, ovate, grey-green leaves, with serrated edges. Pale-mauve flowers in...

A low growing perennial, 15 cm (6 in) in height, it has a basal rosette of broad, oval, veined and...

A perennial, growing from 45-90 cm (18 in-3 ft.), it has much-branched erect or trailing stems, with 5-7-lobed leaves, and...

Purple loosestrife is a perennial which grows on a creeping rhizome with erect stems reaching 60cm-1.5 m (2-5 ft.) in...

A tall, hardy, strong-smelling perennial, growing to 1.2 m (4 ft.), it has square, hollow stems, with deeply lobed, prominently...

A hardy perennial, growing on a stout rhizome, 60-90 cm (2-3 ft.) tall, with narrow, sword-shaped leaves. Flowers are white,...

Classed as a semi-evergreen, because it loses some foliage in winter, mainly if weather is severe. It is a bushy...