How to make a water garden in a pot;, Youll need:, a pot with no drainage hole (or some aquarium safe silicon to block the hole if there is one), clean pebbles for the bottom of the pot, 2 3 Lettuce is one of the easiest edible plants to grow, and once you start growing some, you will never buy it from the market. , soil mix is equal parts soil, cocopeat, compost, handful sand and neem 4in 6in Green Fantasy Fern Buddha Head Planter