Albuca namaquensis, I dont know if this is the correct name for this plant. When trying to find it on online, the photos associated with the name appear to be Spiralis Juncus plant, which is sometimes available in the spring, and is often used for ponds.
Bamboo is a dramatic specimen plant when grown in a large container (where it can't escape). It makes a perfect, fast-growing screen. -- Name: Phyllostachys aurea -- Size: To 20 feet or more -- Growing Conditions: Full sun and moist, but well-drained soil