Woad
A hardy biennial (or short-lived perennial if flower heads are cut before seeding), it grows on a taproot, from 50 ...
Orris
A hardy perennial, growing on a stout rhizome, 60-90 cm (2-3 ft.) tall, with narrow, sword-shaped leaves. Flowers are white, ...
Elecampane
A hardy perennial, with tall, erect, softly hairy stems, to 2 m (6 ft.) in height, it has ovate, pointed ...
Hyssop
Classed as a semi-evergreen, because it loses some foliage in winter, mainly if weather is severe. It is a bushy ...
St John’s wort
It is a hardy perennial, about 30-60 cm (1-2 ft.) in height, the stems are erect, woody at the base, ...
Henbane
An annual or biennial, growing to 60-90 cm (2-3 ft.), it has a rank, unpleasant smell and coarsely toothed, grey-green, ...
Golden seal
A hardy perennial, 20-30 cm (8-12 in) in height, it has a thick, knotted, yellow rhizome, palmate, deeply lobed leaves, ...
Hops
A hardy, twining, herbaceous climber, it has clinging hairy stems and 3-7 lobed palmate leaves. Male and female flowers are ...
Curry plant
An evergreen subshrub, 60 cm (2 ft.) in height, it has linear, silver-grey leaves and clusters of yellow button-shaped flowers ...
Sunflower
A tall, impressive annual, up to 3 m (10 ft.) in height, with erect stems and oval, hairy leaves. The ...
