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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!
Sunflower x laetiflorus
Helianthus x laetiflorus, Perennial Sunflower, Showy Sunflower
A true perennial Sunflower adding height and colour to perennial borders, flowering in their first year. Stunning bright yellow 10-12cm (4-5in) diameter blooms with deep yellow centres, will brighten your garden over a long period attracting birds and butterflies. Height: 150-180cm (5-6ft). More info
Echium candicans, Pride of Madeira
Native of the Canary Islands. Height: 60-120cm (2-4ft). More info
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