The present invention relates generally to the field of hydroponics and to apparatus and methods for the growing of plants in a water-based or soil-free environment. A flexible container (2) for growing plants hydroponically is provided, comprising one or more openings (1) for receiving plantlets (16) and/or seeds (15) and one or more openings (1, 5, 6, 7) for receiving a nutrient and/or water (5) and/or oxygen supply (6, 7), which openings may be the same or different to the openings of (i).