Seedlings (from the previous season's crop) are planted in June of each year. The flower blossoms about 45 days later, and the fruit about one month thereafter.
官田農會農事指導員許天清表示，菱角不僅生長力強，在種植成本上，也不似稻米需要較多的肥料、農藥，和播種機、刈田機等工具的開銷。「目前轉作的菱角田和二期稻田比較，平均一分地可多出 6,000 元的收入。」