Planting water chestnuts at home can be a bit tricky, but it's definitely doable with the right setup. You don't necessarily need a pond, but you will need a container that's at least 6-8 inches deep to accommodate the plants' underwater growth. Choose a container that's wide enough to allow the plants to spread out, and fill it with a mix of soil and water. Water chestnuts prefer warm water and full sun, so pick a spot that gets plenty of direct sunlight. You can buy water chestnut seeds or corms online or at an Asian market, and plant them in the spring or early summer for a summer harvest. Make sure the water level is consistent and the soil is rich in nutrients, and you should be able to grow delicious water chestnuts at home.