Astilbe
Symptom Cause  
Weak growth in center; brown leaf edges
Bad place for plant
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Plant appears wilted
Fusarium Wilt
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Holes in leaves and flowers
Japanese Beetles
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Plants stunted; yellowed; root lesions
Nematodes
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Leaves covered with powdery coating
Powdery Mildew
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Ragged holes in leaves, often in the middle
Slugs and Snails
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Leaves stippled, yellow, dirty; webbing on interior stems of plants
Spider Mites
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