Bluegrass

This giant, brown grass grows up to 11 feet (3.4 meters) tall. The thin stalks grow in extensive patches that are flexible and they are exceptionally hardy.

When mature, the end of the stem eventually transforms into a large, azure puff.

During the late summer, it produces copious amounts of pollen; it can cause severe allergic reactions, and after flowering, it is left with copious amounts of large grains.