It doesn’t spread out like other perennials, but it forms what is known as a basal cluster of leaves from where the flower stems grow to around 90cm (3ft). Lychnis are very easy to grow from seed.

One such vibrant orange-red flower that hummingbirds are attracted to is arkwright's campion (Lychnis x arkwrightii 'Vesuvius'). This outstanding perennial flower will create an eye-catching focal ...