Planting Tubs. Tricker’s black planting tubs are designed to be specifically used in the water garden to promote and successfully grow your water plants. Very durable and long lasting. They have room for water lilies, lotus and large aquatics to grow and display their beauty. They also have easy to carry handles. Tricker's customers have used this size for descriptive growth of water lilies and lotus and have enjoyed the benefits. Medium Planting Tubs are 8.5"H x 15" W.