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Hardy annuals can be sown directly into their flowering positions in the spring and will tolerate a certain amount of cold. Well-known flowers such as sweet peas, poppies, stocks and sunflowers fall under this category, as do some of the more unusual flowers - gomphocarpus & ratibida for example.
Sunflower 'Mongolian Giant'
Fun to grow, producing flower heads up to 45cm (18in) across with individual seeds up to 3½cm (1½in) long. As well as producing large yellow flower heads, Sunflower Mongolian Giant will be the envy of your neighbours as it grows up to 420cm (14ft) tall.
Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.
Companion planting: Try growing sunflowers with chives to deter aphids.
Useful links:More info
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