The invention relates to a device for watering purposes, a proceeding for themanufacture thereof as well as means for the manufacture thereof. The device(1) comprises a water-collecting container (3) extending along the intendeddesired area to be watered. Internally (6) in the container (3), there is a transversedouble partition wall (5), which extends from the base portion (7) of the containerup to at least half the effective height (H) of the container. Along the outside(9) of the container, a liquid-sucking wick (11) extends that is connected tothe internal liquid-receiving spaces of the container at a mutual distance fromeach other, as seen along the length extension of the container. The inventionalso relates to a proceeding and means for the manufacture of a container arrangement.