A device (11) and method for placing a holder element (1) for a mini tunnel system in the ground on or near an asparagus bed (202), wherein the holder element (1 ) is substantially U-shaped, comprising: a foil supporting part (7) for supporting a foil element of the mini tunnel system, as well as two fixing parts (3) extending on either side of the foil supporting part, via which the holder element can be placed in the ground. The device (11) comprises a frame (12, 13, 16) comprising: placement means (20) provided with a holder opening (O) in which the holder element (1) can be placed, which placement means (20) are configured for placing the holder element (1) ¡n the ground on or near the asparagus bed (202).
