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Birch Aphids Dripping Honeydew: Treat with Imidacloprid in March

Birch aphids excrete honeydew onto surfaces below. Apply imidacloprid (Bayer Tree & Shrub, Bonide Systemic Granules) in March for control. More details at xrl.us/birchaphid.

About Gardening: River Birch Webbing: Spider Mites or Fall Webworms—Not Spiders; River Birch Surface Roots Near Building: Do Not Cut—Add Sand, Prune Limbs Instead; Aphids on Aspen: Honeydew, Sooty Mold, and Organic Management; Annual Aphid Infestation on Quaking Aspen: Systemic Prevention; River Birch for Southern Exposure in Ohio: Wind-Resistant & Fast-Growing; Effective Aphid Control on Mature Birch Trees; River Birch Worm Control: Sawfly Identification and Treatment; Paper Birch Bark Damage: Will the Trees Survive?; Birch Tree Pruning: Avoid Spring, Prune in Fall Dormancy; Fall Aphid Outbreaks: Identification, Natural Control, and Sooty Mold

Garden Articles

Crepe Myrtle Sooty Mold: Stop the Aphids

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River Birch Defoliated by Caterpillars: Identify, Spray Now, Prevent Next Year

Plants

Planting White Birch in South Dakota: Site Selection and Spacing

Old White Birch Top Dieback After Frost: Assess, Prune, or Replace

Aphid Honeydew on Silver Birch: Autumn Diagnosis and Spring Management

Selecting the Right Tree for a Sloped Site Near a House in Wisconsin

Paper Birch Bark Stains: Harmless Lichens, No Treatment Needed

Citrus Aphids and Ants: Organic Control in Southern Spain

Best Trees for North Georgia: Japanese Maple, River Birch, and Eastern Cottonwood