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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!
Anise Hyssop, Agastache anisata, Agastache anethiodora
Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here.More info
Nepeta cataria ssp. citrina
Lemon Catmint, Nepeta cataria 'Citriodora'Quite unlike ordinary catmint, handle or squeeze the leaves and they give off a rich lemony fragrancy which pervades the garden with rich flowery perfume on still, warm summer evenings. It's easy to grow and can be treated as either annual or perennial making a good border or summer hedge plant.
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