A plant container with a pot and a coaster (2) made of plastic, in particular as a flowerpot, whereby the coaster (2) which is closed at the bottom to serve as a water dish is to be attached undetachably via coupling devices to the pot (1) which is provided with holes at the bottom and is designed in the sense of an easy but secure connection of the pot and the coaster in such a manner that the coaster (2) and the pot (1) are interconnected via coupling elements (11, 15) by at least one conically tapering guide face (9, 16) and are mutually engaged by a rotational movement.