Boxwood, Littleleaf
Symptom Cause  
Leaves and twigs die back
Blight (fungus)
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Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible
Boxwood Mites
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Leaves and twigs webbed together
Boxwood Webworms
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Leaves turn pale; lesions appear on leaves
Canker (fungus)
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Major damage to foliage
Deer
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Leaves discolored; drop off; branches wither
Dieback (fungus)
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Foliage looks burned
Dog Urine
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Tip of leaves brown, internal larvae trails visible. Leaves skeletonized and rolled up
Leaf Miners
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Cottony tufts on foliage; plant grows poorly
Mealybug
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Leaves discolored; growth stunted soil
Nematodes
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Foliage dies back
Root Rot (fungus)
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Foliage dies back
Stem Rot
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