(Spiny Bamboo, Thorny Giant Bamboo)
This is a true giant, growing up to 40 m high. They have numerous branches at a node and one or two much larger than the rest. It has many stems tufted on a stout root stock. New shoots start growing slowly, but soon grow approximately 30 cm per day. 75 cm in one day has been recorded in Sri Lanka.
Bamboos may be propagated by seed, dividing the rhizome, or by cutting stems and letting them root at the nodes. Sow seeds about 0.6 cm deep in soil. Germination takes about a week and seedlings grow rapidly.
Temperature: 18°C to 29°C
Light: Full Sun, partial shade
Water: Water frequently
Soil: Rich to medium fertile soils
Fertilizer: Feed with water soluble fertilizer once or twice a month