Balloon Flower (Campanula)
Symptom Cause  
Crown and roots rot; odor present
Crown Rot
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Leaves mottled; blotched
Gray Mold (Botrytis Blight)
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Leaves covered with white powder
Powdery Mildew
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Orange powdery spots on leaves may also appear yellow in color
Rust (on plants)
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Ragged holes in leaves, often in middle
Slugs and Snails
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