Should I Prune 1st Yr Blackberries?

I planted triple crown thornless blackberries in spring. They grew very well. There are a couple dozen canes, all of which are a couple feet long. what now? Should I cut them back for winter, if so how long should they be? I plan on putting a chicken wire fence around them and stuffing with dry leaves as I read they aren’t cold hardy. I live in zone 5b and we are expecting a colder than average winter. Any help would be greatly appreciated. Thank you.

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1 Comment To "Should I Prune 1st Yr Blackberries?"

#1 Comment By GKH_Susan On 12/05/2022 @ 4:07 pm

Prune out canes that have fruited (second year canes) in late summer. In spring, tip prune to increase branching. These articles should help:
https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-pruning.htm ^[1]
https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-bushes-in-winter.htm ^[2]
https://www.gardeningknowhow.com/edible/fruits/blackberries/harvesting-blackberries.htm ^[3]

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URLs in this post:

[1] https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-pruning.htm: https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-pruning.htm

[2] https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-bushes-in-winter.htm: https://www.gardeningknowhow.com/edible/fruits/blackberries/blackberry-bushes-in-winter.htm

[3] https://www.gardeningknowhow.com/edible/fruits/blackberries/harvesting-blackberries.htm: https://www.gardeningknowhow.com/edible/fruits/blackberries/harvesting-blackberries.htm

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