Bamboos Vulgaris is an evergreen flowering giant perennial bamboo grass that grows in dense erect clumps. This is a clumping type of bamboo. The clumps produce slender branches at each note. Grows 12m tall with a spread of 5m and 5 to 7.5cm space diameter canes. Not at as reaching 50m tall with a 10 to 15cm diameter in its native habitat. Gross all year round. Very fast-growing.