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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!
Penstemon digitalis 'Husker Red' - Kew Collection Seeds
Beard TongueMore info
Dianthus amurensis 'Siberian Blues' - Kew Collection Seeds
Carnation, PinkCompact, bushy mounds of bluish evergreen foliage erupt into a sea of mauve-blue flowers in late spring and are the closest yet to a true blue Dianthus. Ideal planted in borders, rockeries and containers, flowering over a long period each summer for many, many years.
Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.More info
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