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Sooty Mold on Gardenia: Control the Insects, Not the Fungus

Cause & Cure

Black leaf coating on gardenia is sooty mold on honeydew from aphids, scale, or whiteflies. Treat with Bayer Advanced Tree & Shrub Insect Control (soil drench) to kill the sucking insects; mold will disappear.

Plant Diseases: Whiteflies Killing Potted Annuals on Screened Porch; White Substance on Gardenia: Mealybugs and Cold Hardiness; Killing Thorny Pasture Weeds Without Harming Cattle or Grass; Gardenia Mealybug Infestation and Leaf Drop: Prune and Spray; Gardenia Insect Damage and Recovery; Gardenia Bud Drop: Solving the Mystery; Gardenia Bonsai Pair: Yellow Leaves, Overwatering Suspected; Troubleshooting Non-Flowering Gardenias and Jasmine in Containers; Gardenia (Gardenia jasminoides): Exquisite Fragrance for Dedicated Growers; Ti Plant (Cordyline terminalis): Colorful Sword Leaves for Advanced Care

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