This bamboo was one of many bamboos and plants accumulated over decades by South Florida plant collector, Michael Gideon. It is the most-interesting of his unidentified bamboos.
Culms are steel-blue green with a light powder bloom. Leaves are small and thin. It looks to us like a hybrid of Bambusa membranacea.
30' tall at maturity. Min temp. 24 degrees F. MIn USDA zone: 9a. Click to find your zone.