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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 wallichianum 'Buxton's Blue'
Geranium wallichianum 'Buxton's Variety', Hardy Geranium, CranesbillMore info
Verbena bonariensis - Part of the Alan Titchmarsh Collection
Glandularia, Verbena patagonica
This increasingly popular first year flowering perennial produces robust plants, with wiry stems topped by floating clouds of eye-catching, rosy lavender blooms. Plant Verbena bonariensis amongst other perennials to add height and an air of tranquillity in your borders. Height: 150cm (59"). Spread: 45cm (18").More info
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