Oldhamii: Tall upright screen
Gracilis: 2 story upright screen
Chinese Dwarf: Lush formal hedge
Under "NO" circumstances does clumping bamboo need to be planted closer than 1m between each plant. Preferably 1.5m. Especially in a retained narrow environment.
Advanced Buddha's Belly $55ea.
Bubbha's Belly Bamboo is a great ornimental variety used as a stand alone featuer plant or a robust screen.
Growing Clumping Bamboo in a pot or container is possible so long as the correct species is selected, and special care is provided.