Common Pests & Diseases
Diseases
May be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)
Pests
May be susceptible to aphids, capsid bug, hydrangea scale and vine weevil
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hydrangea 'Zorro' · Hydrangea macrophylla 'Zorro'
Grow in moist but well-drained neutral to acid soil in partial shade or grow in sun if soil is reliably moist for the ultramarine colour flowers; on alkaline soils the flowerheads will have pink ray florets. See shrubby hydrangea cultivation advice for further advice
May be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)
May be susceptible to aphids, capsid bug, hydrangea scale and vine weevil
Explore the plant health library →