With recent chilly weather, we’re all yearning for spring – and we want it now. Luckily, garden centre benches are groaning ...

"While you can grow African iris in pots, I don't recommend it unless you are prepared to divide them regularly," Heinrich warns. "These plants multiply quickly and will rapidly outgrow your ...

Irises can look wonderful in early summer, with masses of colourful blooms held on stout flower stalks. However, after several years the clumps will run out of steam and die off in the middle ...