Problem Solver

By midsummer, dahlias should be starting to pump out the blooms, but I'm often asked why these normally reliable .....

It can be worrying when you come across something unusual in the undergrowth, especially when it takes the form .....

The leaves on buddleias across the land have been showing curled, yellow symptoms which have left gardeners puzzled. The .....

Gardeners have noticed a scourge of box bushes that has turned their leaves brown in recent years. First it .....

Rose dieback, where stems die back from the tip, is usually a sign of a weakened plant rather than .....

Those dense, nest-like clumps of twigs in a tree, most often seen in birch in winter, are usually 'witches' .....

Black spots on hardy palm leaves are almost always a fungal leaf-spot disease rather than a sign the plant is .....

When rose buds form but fail to open, turning papery or brown instead, it is usually 'balling': rain settles .....

In late summer and autumn, many plants get an attack of powdery mildew. Herbaceous perennials such as phlox and .....

I seem to have been talking about plant viruses quite a bit this last year or two, and the latest .....