How to Grow a Square Watermelon. Watermelons are a tasty summer fruit that you can grow at home in your backyard. In Japan, a tradition has started where people grow ornamental watermelons that are completely square, and you can do this as.
Want to grow square Watermelon. Yep you read it right. If you do, find a waterproof box and use it to put a small watermelon in with the lid open so the vines can grow out, takes all season but keeps pests away and makes a great square watermelon!