A-Z

A graceful aromatic perennial, up to 2 m (6 ft.) tall, with erect, hollow stems and mid-green, feathery foliage the...

A herbaceous perennial, growing to 2.3 m (7 ft.), it has a thick, fleshy taproot, finely divided, feathery leaves and...

A tall, hardy perennial, growing to 1.5 m (5 ft.), with lance late, rough-textured leaves surrounding the stems (per foliate),...

A relic from prehistory, closely related to the vegetation which decayed to form modern coal seams, it is a perennial,...

A bushy, bristly biennial, 60-90 cm (2-3 ft.) tall, with narrow lance-shaped leaves, spotted, hairy stems and dense spires of...

A tall, hardy perennial, 1.2 m (4 ft.) high, with a rhizomatous rootstock and ovate-lance late leaves. The purplish-pink daisy-like...

A biennial or short-lived perennial, reaching 2m (6 ft.) in height. The plant has a rosette of large, downy leaves...

A tall, bushy annual, 2 m (6 ft.) tall, it has strong-smelling, triangular, lobed leaves and large white, or violet-tinged,...

An upright, deciduous shrub, growing to 1.5 m (5 ft.), it has arching, twiggy branches, small trifoliate leaves and is...

Adage perennial, growing to 2m (6 ft.), with long, greenly-grey, deeply cut leaves, downy on the undersides, ridged stems and...