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Beech Blight Aphids on Large Maple: Systemic Soil Treatment

Bayer Advanced Tree & Shrub Insect Control Applied to Soil

For large trees, spray is impractical. Apply Bayer Advanced Tree & Shrub Insect Control (imidacloprid) to soil in spring when sap rises. Roots transport it to leaves, killing aphids. Fall application ineffective—tree is shutting down.

Pests: Japanese Maple Leaf Scorch and Color Change: Environmental, Not Disease; Maple Tree Lichens: Harmless Epiphytes Indicating Canopy Thinning; Maple Trunk White Spots: Harmless Lichens; Wax Scale on Japanese Maple: Identifying the White Domes and Timing Your Treatment; Maple Spindle Galls: Cosmetic Only, No Treatment Needed; Maple Honeydew on Property: Systemic Scale/Aphid Control; Improving Fall Color on Maples in Eastern Oklahoma; Identifying and Managing Maple Leaf Galls; Maple Leaf Galls: Harmless Cosmetic Issue; Planting and Caring for a Potted Japanese Maple

Garden Articles

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Plants

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Maple Sunscald: Wrap, Fertilize, Protect from Borers

Maple Borer Infestation in Old Wound: Treatment and Risk

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Diagnosing a Struggling Maple: Split Bark, Black Marks & Fungi