Hydrangeas: problems & diagnosis
Hydrangea macrophylla
Hydrangeas are thirsty, shallow-rooted shrubs, so most of their dramatic wilting, browning and flowering failures trace back to water and siting rather than disease. The name even means 'water vessel'. Get the watering and position right and most problems disappear.
7 hydrangea diagnosis guides
Hydrangea Leaves Curling: UK Causes and Fixes
Hydrangea leaves curling? The most common UK causes are drought, heat, aphids and lacebug. Diagnose and fix with this guide.
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Hydrangea Dying? UK Causes, Diagnosis and Recovery Guide
Hydrangea dying or failing? Diagnose the real UK causes — wrong pruning, root rot, waterlogging, drought or disease — and find out what to do.
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Hydrangea Brown Leaves: UK Causes and Fixes
Hydrangea leaves browning? Identify sun scorch, drought, frost damage, Cercospora leaf spot, and wind damage with this UK diagnosis guide.
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Hydrangea Not Flowering: UK Causes, Fixes and Pruning Guide
Hydrangea not flowering? In the UK the most likely causes are wrong pruning, late frost damage, too much shade, or excess nitrogen. Find out which applies.
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Hydrangea Problems: UK Diagnosis Guide for Common Issues
Hydrangea problems in the UK — wilting, brown leaves, no flowers, pests, powdery mildew and more. Diagnose the cause and find the right fix.
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Hydrangea Wilting? Quick UK Diagnosis and Fixes
Hydrangea wilting? Use this UK diagnosis table to tell water stress, heat, transplant shock and drainage problems apart.
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Hydrangea Yellow Leaves: Causes and UK Fixes
Hydrangea leaves turning yellow? Diagnose overwatering, iron chlorosis, nitrogen or magnesium shortage, scorch and leaf spot — with specific UK fixes for each.
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