Q.

Plum trees, Wild type

Zone Columbus, Wi 53925, Zone 5 | walzje added on June 2, 2018 | Answered

My plum trees have numerous green threads or bristles on lower leaves.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Answered on June 3, 2018

These are Spindle Galls.
This article has more information.

https://www.gardeningknowhow.com/plant-problems/pests/insects/spindle-gall-treatment.htm

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