Out-of-Control Thornless Blackberries

Question

I have a thornless blackberry patch that is way of control. Nothing has been done to the bushes since planting 5 years ago. How does one get this under control without starting all over? Thank you.

Answer 1

Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-pruning.htm