Is plant a asbtract or concrete noun?

The noun 'plant' is a concrete noun as a Word for a living thing that, in most cases, grows in soil; a Word for a building or factory where manufacturing takes place; a Word for something put in place to trick or confuse people; a Word for someone placed in an organization as a spy; a Word for a physical thing or a physical person.

The Word 'plant' is also a verb.