The peanut grows underground. After the flowers of the peanut plants are pollinated, then the seed pods (the peanuts) are produced beneath the ground, adjacent to the roots of the plant.
There is no easy way to accomplish this without being either a trained or skill botanist.
There are so many different varieties of this plant type there is no Generic-Way.
Peanuts come from underground. They are actually classified as legumes. Peanuts are the only nuts that grow underground. They are also known as groundnuts. Peanuts are known to help lower cholesterol.