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Biennials live for 2 years, whereas perennials live for longer. As a general rule, biennial and perennial seeds should be sown in spring, but some can be sown in autumn as well. Many varieties will self-seed after flowering, giving you even more plants!
Geranium bohemicum 'Orchid Blue'
Hardy Geranium, Cranesbill
Geranium 'Orchid Blue' is a selection by Thompson & Morgan from the species Geranium bohemicum. A short-lived border and ground cover plant which self-seeds to keep continuity. Masses of 2cm (¾in.) flowers of orchid-blue, veined in purple-violet, borne on bushy plants. Makes a delightful show, particularly when situated in a sunny position in the border. Flowers summer. Height 30-45cm (12-18in).More info
Stock 'Dwarf Mixed' (Brompton Stocks)
Matthiola incana, Gillyflower
Upright bushy, early flowering biennials producing gloriously scented flowers in a good colour range which are splendid for cutting. Flowers early summer. As a top tip; Once the seedlings appear you can reduce the temperature down to 5ºC (40ºF), this will result in the seed leaves changing colour slightly, the darker green plants will produce single flowered plants and the lighter seed leaves will result in double flowered plants. Height: 45cm (18"). More info
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