They are not available. Bamboo is harvested for bamboo shoots every spring. Bamboo poles are harvested every winter. Grasses are very successful, efficient plants. There are more than 5,000 species of grass in the grass family, gramineae.
Bamboos are the woody tribe within the grass family.
Bamboos are successful and efficient like the rest of the grasses. There are 1350 species of bamboo. Bamboos convert sunlight, carbon dioxide and water into wood very efficiently. Bamboo grows wood faster and more sustainably than trees. Bamboo wood fiber is the ultimate renewable resource.