For unexpected colour, try Winter irises

ANS of irises will know that by choosing a mix of different species and types you can have flowers from early spring until late summer – but the idea of an iris that flowers in the middle of winter sounds a little too good to be true. Luckily for us, it’s not. In fact, there are two lesser-known species that fit the bill, along with a small, select group of invaluable varieties. These will provide not only welcome winter colour in the garden, but also unexpected cut flowers. What’s more, they’re all tough