Pansy (Viola)
Symptom Cause  
Plant actually disappears
Deer
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Leaves and petals are pale; silvery
Flower Thrips
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Poor flowering
Lack of Energy
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Spindly growth
Lack of Light
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Black spots with spore bodies on leaves
Leaf Spot
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White powder coats top of leaves
Powdery Mildew
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Plant actually disappears
Rabbits
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Leaves yellow, wilt, die
Root Rot (fungus)
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Ragged holes in leaves, often in middle
Slugs and Snails
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Dark lesions on stems; roots rot
Stem Rot
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