Weeping Willow Trunk Bumps: Scale Insects or Natural Buds?

Squashable: Scale insects (live in shells, suck juices)
Solid, woody: Natural adventitious buds (common on willows)

Diagnostic Test

Press bumps with finger:

No treatment needed. Normal willow behavior.

Could be separate stress (water, nutrients). Fertilize 10-10-10 at 1 lb per inch trunk diameter if not done recently.

Trees: Weeping Willow with Bark Loss and Deformity: Internal Decay, Removal Advised; Weeping Willow Borer Damage: Treatment and Prevention; Weeping Willow Trunk Holes: Borer vs. Sapsucker Damage; Weeping Willow Decline: Black Trunk, Holes, and Yellowing Leaves; Basal Fungal Cankers on Weeping Willow from Poor Drainage; Weeping Willow Borer Infestation: Identification and Treatment; Weeping Willow Near House & Drain: Root Concerns & Growth Regulators; New Weeping Cherry in Texas Heat: Transplant Stress, Not Disease; Sapsucker Attack on Young Weeping Willow: Insecticide Deters Birds; Weeping Willow Sucker Removal and Fertilization Guide

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