The present disclosure relates to a thermoformed container for holding plants. Said thermoformed container comprises at least one wall portion terminating in an edge of said thermoformed container, wherein said wall portion is provided with at least one integrally thermoformed snap-on connector for attachment of an accessory. Said snap-on connector is formed as a bulging protrusion protruding from said wall portion and terminating in said edge of the thermoformed container. Besides, the disclosure relates to such accessory, in particular a label plate, comprising a wall portion provided with a cut out for receiving at least a part of a bulging protrusion of a snap-on connector of such a thermoformed container.