Phyllostachys Nigra, Black Bamboo #1 Size Live Plant The Phyllostachys nigra is a giant timber bamboo that grows up to 20' It is extremely cold hardy, down to -10F Fast growing The last picture is an example of the plant that you will receive. The plant that you are purchasing is 1 year old, about 1'- 2' tall, grown in a #1 size pot, which is removed for shipping. You will receive your plant shrink wrapped.