Perennial

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

A hardy perennial, 70-80 cm (28-31 in) tall, it usually has a forked root, erect stems, with fleshy scales at...

An erect biennial, up to 1.5m (5 ft.) tall, with a thick, yellowish taproot and a rosette of basal leaves...

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...

An erect perennial, 25-30 cm (10-12 in) in height, with a fibrous rootstock, crowned by nearly basal lance late leaves...

A vigorous, bushy perennial, 30-80 cm (12-32 in) in height, it has strongly lemon-scented, rough-textured, ovate, toothed leaves. Inconspicuous clusters...

Melaleucas are half-hardy to tender evergreen trees, 15-40 m (50-130 ft.), with thin, peeling, corky bark, narrow, pointed, leathery leaves...

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...