Ginger
A perennial reed-like plant, it has thick, branching rhizomes and grows 1-1.2 m (3-4 ft.) tall, with bright-green, lance late,...
Chaste tree
A hardy deciduous shrub or small tree, up to 5 m (16 ft.) tall, it has palmate leaves, dull-green on...
Sweet violet
A low-growing, hardy perennial, 15 cm (6 in) tall, with a short rhizome and creeping stolon’s that root at the...
Greater periwinkle
A trailing evergreen perennial, to 45 cm (18 in), it has prostrate stems, which root at the nodes, and glossy,...
Vervain
A hardy, rather straggly perennial, with an erect, branched stem, it has ovate, deeply lobed, sometimes pinnate, leaves, which are...
Mullein
A tall, hardy biennial, growing to 2 m (6 ft.), it has a basal rosette of soft, downy, blue-grey leaves,...
Stinging nettle
A tough, spreading perennial, the erect stems grow to 1.5 m (5 ft.) tall, on creeping roots. The stems and...
Slippery elm
A deciduous tree 15-20 m (50- 65 ft.) in height, it has dark-brown, rough bark and obviate, toothed, deeply-veined leaves....
Coltsfoot
A small perennial, on a creeping rhizome, 15-20 cm (6-8 in) in height. The bright-yellow, dandelion-like flowers, borne singly, appear...
Nasturtium
In South America it is a perennial, but in Europe and cool temperate regions it is a half-hardy annual. It...
