Euonymus Scale on Pachysandra: Identification and Control

Dead Pachysandra Path Likely Caused by Euonymus Scale

If your pachysandra is dying in a line toward a tree, the culprit is almost certainly euonymus scale—not a threat to the tree itself. These tiny, armored insects attach to leaves and stems, sucking sap and causing yellowing and dieback.

Control Strategy

1. Prune heavily infested areas to remove the bulk of insects.
2. Apply horticultural oil or neem oil thoroughly to the undersides of leaves and stems in spring, summer, and fall.
3. Consider systemic insecticide like imidacloprid for severe cases, applied as a soil drench.

Early detection and consistent treatment are key. If the planting is heavily infested, replacement with a resistant groundcover may be more practical.

pachysandra scale

pachysandra scale

pachysandra scale