If you're interested it's a subject that has been debated at length elsewhere. bamboo planks - Boat Design Forums
People have taken different approaches with different results. I'll wait till my own experiments are complete to form my opinion.
Bamboo is a complicated material to work with for cold molding. Most people are using momo bamboo, a giant variant, to get stock large enogh to plane out small planks for cold molding. The exterior skin must be removed as well as the soft interior
culm. Getting enough straight even stock planed out for cold molding is a big enough job most people consider it prohibitive, but I'm still playing with some jigs. A good source for momo helps. I'm also still playing with airplane scarfs and finger joints to make getting long straight planks easier....