Violet
Symptom Cause  
Leaves wrinkled or curled; discolored, stunted, tend to fall off
Aphids
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Crowns and roots rot; odor present
Crown Rot
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Holes in leaves
Larvae Of Violet Sawflies
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Leaves webbed together; foliage discolored
Leaf-tier moth larvae
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Plants stunted; yellowed; root lesions
Nematodes
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Leaves covered with white powder
Powdery Mildew
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Powdery spots on leaves
Rust (on plants)
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Ragged holes in leaves, often in middle
Slugs and Snails
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Black powdery sooty mold fungus forms on honeydew
Sooty Mold
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Leaves stippled/yellow/dirty; webbing on interior stems of plant
Spider Mites
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