The invention relates to a planter (10) forming part of a hydroponic system. The planter (10) includes a longitudinal body (12) defining at least two longitudinally extending liquid channels (14.1,14.2) and at least two plant holders (16,18) defined in the body (12), the plant holders (16,18) spaced on the outer circumference of the longitudinal body (12), each one of the at least two plant holders (16,18) in fluid flow communication with one of the at least two longitudinally extending liquid channels (14.1,14.2).
