Solving Cosmos Problems

Cosmos Problems
SymptomProbable Cause
Leaves Wrinkled or Curled; Discolored, Stunted, Tend to fall offAphids
Weak Growth, Leaves Stunted, Yellowing, Brown Tips; Bulbs or Roots DamagedRoot Aphids
Leaves Riddled With Shotholes; Caterpillar inside StalkEuropean Corn Borer
Pale Spots On FoliageSix-Spotted Leafhopper
Flowers and Seeds DamagedCaterpillar of Sunflower Moths
Leaves Stippled, Yellowing Or Bronze; Dry Out And Drop May Be Webbing Visible; Sometimes Galls Form On LeavesSpider Mites
Flowers Yellow-green; Deformed; Shoots SpindlyAster Yellows, a bacterial disease; replace the plant
Sudden Wilting; Stems Rot At Soil LineBacterial Wilt, a bacterial disease; replace the plant
Green Plant Colors, Wilts, Tans; Pink Mass on Roots; Plant DiesFusarium Wilt, a fungal disease
White Powder Coats Top of LeavesPowdery Mildew, a fungal disease
Leaves Yellow, Wilt, DieRoot Rot, replace the plant
Black Decay on Stems, Spreads, Brown-Black Lesions FormStem Canker; replace the plant
Dark Lesions on Stems; Roots RotStem Rot; replace the plant
Attacks Stems at or Below Ground Level; Plant Wilts, Yellows, DecaysSouthern Blight, a fungal disease
Plant Actually DisappearsDeer


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