Blackberry Plants
Q.

Blackberry bush

Zone North Texas | jerry.smith555 added on May 16, 2015 | Answered

From the base of my blackberry vines grew a thick stalk 5 times the size of the other vines, more like a sunflower size. The stalk has similar leaves but much bigger than the leaves on the vine. There have been no flowers for fruit just a thick stalk. Do you know what this might be?

A.
A.Answers to this queston: Add Answer
Heather
Certified GKH Gardening Expert
Answered on May 17, 2015

It sounds like you may have witches broom. This article will explain more about the condition:
https://www.gardeningknowhow.com/ornamental/trees/tgen/witches-broom-disease.htm

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