Arrow bamboo 3 gal plants, nice big clusters that i guarantee you nobody will beat the price for the size and quality of all our well cared for bamboo. Arrow bamboo max height 18ft Max diameter culm 1/4” Clusters grow extremely tight, literally together as one, this species is unique as it can spread as a runner, less aggressive of course, and establish shoots as if it were transformed into Clumping bamboo, where the shoots grow directly from its predecessor mother Bamboo, attached by a neck that will never allow clumping bamboo to travel too far. That is what makes clumping bamboo Clumping and what makes Running Bamboo Running is its ability to spread shoots up to 25 feet away from his mother plant. No bamboo is bad but its classification can certainly be utilized much more than the other depending on your specific situation. Contact us now and we will be happy to provide you with as much information as you require as well as lead you in the best possible direction and get you started on that private oasis you’ve always been dreaming of. Believe it because we can make it happen Great bamboo for privacy, elongated leaves that grow mainly at the top 1/3 of the plant. Grows in tight clusters.