Botanic Garden >> Gardening > >> Question and Answer >> Plant Species >> Trees

Hackberry Leaf Galls: Cosmetic Only

Hackberry has round raised "warts" on leaves; leaves yellowing/dropping. Landscaper says harmless.

Confirmation

Landscaper correct. Galls from tiny insects. No health impact—just early leaf drop/unsightly.

Resource

UMN Hackberry Gall Insects

Trees: Elm Tree with Peeling Bark and Defoliation: Insect Feeding Likely; Lemon Tree Leaf Curl and Yellowing in Madrid: Environmental Stress; Black Sooty Mold on Hackberry: Controlling the Aphids and Scale Behind It; Hoya Leaf Spot Fungus: Rain, Repotting, and Recovery; Leaf Galls on Walnut and Oak: Harmless Insect Architecture; Lilac Powdery Mildew: Common and Recognizable; Managing Black Spot on Knockout Roses in Humid Climates; Black Film on Hackberry: Aphids and Sooty Mold Solution; Leaf Galls on Oak: Cosmetic, Not Harmful; Hackberry Witches' Broom: Causes and Management

Garden Articles

Toothache Tree Decline: Mystery Dieback in Containers—Organic Neem Protocol

Jasmine Leaf Damage and White Blobs: Grasshoppers/Slugs and Mealybugs

Honeysuckle Destroyed by Caterpillars: Hand-Pick or Bt

Phalaenopsis Orchid Crown Rot: Likely Fatal

Sticky Leaves and Brown Nodules on Jade Plant: Scale and Honeydew

Lilac Leaf Spots and Curl: Need Photo for Accurate Diagnosis

Holly Sooty Mold and Leaf Drop: Insect-Driven Dual Symptom

Plants

Aloe Vera Root and Crown Rot: Repot Healthy Parts

Leaf Spots on ‘Mine‑No‑Yuki’ Camellia After Record Rainfall

Black Dots on Blood Orange Leaves: Scale or Harmless Fungus?

Olive and Liquidambar Tip Dieback: Glassy‑Winged Sharpshooter?

Yucca Leaf Spots with Honeydew in South Africa: Cercospora or Insects?

Aspen Leaf Galls: Phylloxera Insects and Simple Management

Forsythia Leaf Curl and Drop: Moisture Stress, Not Fungus

Copyright © www.100flowers.win Botanic Garden All Rights Reserved