Ground ivy growth

Asked May 21, 2019, 10:11 AM EDT

What are these growths on my ground ivy? Thanks

Baltimore Maryland galls insect or spider id

1 Response

These are ground ivy galls. The swollen areas are a response by the plant to a type of wasp that lays its eggs in the plant.
https://bugguide.net/node/view/774026
https://bugguide.net/node/view/311590

Here is information about galls (more commonly seen on shade trees). No treatment is recommended.
https://extension.umd.edu/hgic/topics/shade-tree-galls

Christa