Ways to find more help

If you have a gardening problem, email the details (and your location) to Q&A@gardenersworld.com or write to Emma Crawforth at Gardeners’ World Magazine, Vineyard House, 44 Brook Green, London W6 7BT. We regret that we cannot offer a personal advisory service or guarantee a reply. You’ll also find lots of pest and disease advice, along with creative and problem-solving projects, at gardenersworld.com/how-to