That's a good length! Nothing like you get from garden shops. You might need to do something to cure it if it's green, to make them last. I'm not entirely sure if it's necessary for gardening purposes though.
@puffinus_puffinus overall, I just need to trim off some branchy bits and it will dry on the job. I use certain organic materials because they can break down safely, and bamboo is one of them.
Sunbeam City is a Libertarian Socialist solarpunk instance. It is ran democratically by a cooperative of like-minded individuals.