The invention relates to an apparatus (100) for preparing mixed bouquets by positioning plant parts such as flowers. The apparatus (100) comprises an endless transporting device (102) such as a conveyor belt (102). The transport surface of the endless transporting device (102) is provided with a plurality of reference organs (110) for positioning the view ends of the plant parts. According to the invention the endless transporting device (102) comprises a plurality of positioning organs in the direction of transport, wherein a positioning organ (200) comprises the reference organ (110), a support (120) and two arm elements (130).
