The Kelp Garden is a patch of kelp in Squidward's garden.
It is behind his house and it was seen in the episode "Giant Squidward." It has green kelp surrounded by black rocks around the base of the plant.
Role in the series
SpongeBob and Patrick cut it down because it was used to build the Kelp Mâché Clarinet. It is unknown if it will return or ever grow back to its normal size. Kelp Grow is used to grow it into a larger size. It was also mentioned in the episode "Mermaid Man and Barnacle Boy."