Indoor and outdoor containers and accessories therefor for use in cultivation; plant containers, plant pots, tubs, planters, cylinders, trays, punnets, self-watering planters, terrariums; planters, seeds and growing medium sold together as a kit; plant containers and accessories therefor manufactured from ceramic, china, clay, earthenware, glass, plastic, porcelain, pottery, stonewear and terracotta; watering cans apparatus and attachments therefor