What are the strange lumps and growths on my plant?
Galls, burrs, crown gall and root nodules — the growths on plants that look alarming, and the short list that actually matters.
Diagnosing what's eating, wilting or spotting your plants.
102 guides in Garden
Galls, burrs, crown gall and root nodules — the growths on plants that look alarming, and the short list that actually matters.
Root aphid and root mealybug produce a plant that declines with nothing visible above the compost — how to find them and what actually clears them.
Cuckoo spit is a froghopper nymph hiding in bubbles it made itself — harmless in a garden, but worth reporting because of what the insect can carry.
The five shots that let a knowledgeable person identify a plant problem remotely, and why a close-up of one leaf almost never does it.
How to recognise de-icing salt damage from its position and timing, why it appears in spring rather than in winter, and what genuinely helps — plus what to plant where it keeps happening.
Why hail damage looks far worse than it is, the small number of things worth doing afterwards, and how to tell hail from the pest and disease damage it is mistaken for.