Raphanus sativus 'Scarlet Globe'

RHS

Has leaves about 15cm high and round roots with red skin and crisp white flesh with a mild flavour. Radishes, Raphanus sativus, are annuals or biennials which germinate fast and grow fast, with lobed, dark green leaves to about 15-20cm high, and succulent, sharp-tasting edible enlarged taproots which can be harvested about four weeks after sowing, and can be round, tapering, or cylindrical, and have red, white, green, yellow, purple, or black skin, while the flesh is usually white but may be red or purple; if plants are left long enough, for example when grown as a cover crop or green manure, to grow to about 90cm then they can produce white or pale lilac flowers which provide both nectar and pollen for bees.