Q.Pruning Blackberries
Some of my canes are 10 feet long or tall. Do I need to cut them back, and if so, how tall should I leave them? They are tied to trellises, but I have trained them to the wires.

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on January 24, 2011
Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-pruning.htm
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