Coleus Problems
Symptom	Probable Cause
Black powdery sooty mold fungus forms on honeydew; plants may die if problem continues	Aphids Herded By Ants
Leaves start to drop off the plant	Cold wet soils and poor cultural practices
Weakened plants; yellow leaves; leaves discolored; covered with honeydew	Whiteflies
Oval, white insects; leaves deformed, discolored; leaves shiny, sticky	Mealybugs
Leaves stippled, yellowing or bronze; dry out and drop may be webbing visible; sometimes galls form on leaves	Mites
Leaves yellow, wilt, die	Root Rot, replace the plant
Dark lesions on stems; roots rot	Stem Rot, replace the plant
Leaves blotched, tan	Sunburn, move plant to more shady location
Plant actually disappears	Deer