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Plant problem & care guides

What's wrong with your plant? Identify the most common houseplant problems and fix them with simple, practical steps.

Start with the symptom

Yellow leaves, brown spots, sticky residue, webbing, white powder, or wet soil? Use the symptom checker before choosing a treatment.

Leaf Spot on PlantsBrown or black spots with yellow rings on your plant's leaves usually mean leaf spot disease. Learn to identify it and treat it with simple organic fixes.
Powdery Mildew on PlantsWhite powdery coating on your plant's leaves? Learn to spot powdery mildew, tell it from look-alikes, and treat it with simple organic and cultural fixes.
Plant RustOrange or rusty pustules on the underside of your plant's leaves mean rust disease. Learn to identify it and treat it with sulphur or neem.
AnthracnoseDark sunken lesions on leaves, stems and fruit, often with pink spore masses in wet weather. Identify anthracnose, tell it from ordinary leaf spot, and treat it organically.
Downy MildewAngular yellow patches on top of the leaf with grey-purple fuzz underneath? Learn to tell downy mildew from powdery mildew and treat it before it spreads.
Sooty MouldA black sooty film on leaves and stems that rubs off, usually over sticky honeydew. Learn why sooty mould appears, why treating the mould alone never works, and how to clear it.

Houseplant PestsStippled leaves, sticky residue, webbing, or visible bugs? Learn to identify common houseplant pests and treat them with neem and insecticidal soap.

Nutrient Deficiency in PlantsYellow or pale leaves often mean a nutrient deficiency. Learn to read the pattern — old vs new leaves, veins — and fix it with the right feed.

Signs of a Healthy PlantWondering if your plant is healthy? Learn the signs of a thriving plant and the simple care basics that keep houseplants problem-free.