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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Seemann's hydrangea · Hydrangea seemannii
Grow in sun or shade, in a moist but well-drained soil enriched with well-rotted organic matter. Will only tolerate a few degrees of frost
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
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