Abstract: The invention relates to a flower bulb, a method, as well as device for providing flower bulbs with a layer of sealant, such as a paraffin of wax layer, wherein the bulb is grabbed, i.e. engaged by a suction cup, which bulb is brought into immersion of sealant such that at least the seized part of the bulb remains free of sealant. The immersion device is provided with a turning mechanism wherein one or more suction cups have been included for receiving flower bulbs, which suction cups are contained in, and connected to one or more of hollow carriers, which device further comprises an air pump for evacuating the suction cups, said suction cups for this purpose are via said hollow container included in pneumatic communication with an air pump, and which compound comprises a swivel coupling for pneumatically connecting via a conduit or holder part, the hollow container with a fixed central pneumatic line connected to an air pump.