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Meyer Lemon Sooty Mold: Sucking Insects and Neem Oil

Tiny spots on leaves plus black sooty mold below indicate scale, whitefly, or aphids. They excrete honeydew, feeding the mold. Spray neem oil thoroughly on leaf undersides to suffocate the insects—safe for edible fruit.

About Gardening: Meyer Lemon Sticky Leaves: Honeydew from Sap-Feeding Insects; Webs on Indoor Meyer Lemon: Spider Mites, Scale, or Mealybugs?; Scale and Sooty Mold on Potted Meyer Lemon: Treatment and Prevention; Sooty Mold on Large Meyer Lemon: Scale Control for Big Bushes; Troubleshooting Leaf Drop on an Indoor Meyer Lemon Tree; Identifying Lawn Insects and Drought Stress Using Integrated Pest Management; Meyer Lemon Winter Blooming: It's Normal, Not Confused!; Pruning Meyer Lemon Trees: A Complete Guide; Meyer Lemon Leaf Drop Indoors: Light, Humidity, and Water Fixes; Meyer Lemon Hardiness Tag Error: It’s 20s, Not -20 °F

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