Bull Kelp

strands of bull kelp floating on the ocean surface
Bull Kelp. NOAA

Quick Facts
Height: Up to 120 ft.

Blade Length: Up to 15 ft.

Did You Know?
Bull kelp is known as an "annual seaweed," which means that it becomes full grown within a year and can grow up to ten inches in a single day!

Last updated: November 17, 2016