Magnifier for tiny insects/webs. Thrips common curl causers. Spring flush = aphid peak.
Hard to diagnose without seeing. Close inspection for insects is the first step.
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Granny Smith Apple Tree Leaf Curl and Fruit Withering: Disease Management
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Pruning Young Empress Trees: Managing Suckers for Strong Structure
Tree Leaf Identification Resources for Science Projects and Homeowners
Identifying a Non-Blooming Magnolia as Possibly Fraser Magnolia
Elm Tree with Peeling Bark and Defoliation: Insect Feeding Likely
Lemon Tree Leaf Curl and Yellowing in Madrid: Environmental Stress
Diagnosing Leaf Drop in Ficus Trees
Hibiscus Tree Care: Light, Fertilizer, and Pest Management for Blooms
Reviving a Declining Jasmine Tree: Light, Temperature, and Pruning
Taiwan Ficus Bonsai Leaf Drop: Need Species ID and Details
Paulownia Tomentosa: The Fast-Growing Empress Tree and the Art of Pollarding
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