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!
Many versions of self watering containers, also known as self watering grow boxes, self watering pots, and self watering planters are sold online, but you can make them yourself for a fraction of the cost out of some easy to find items. - Home And Garden