Pegging Peanuts: A Geocarpic Wonder

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PHOTO: FOTOLIA/VOLK1945
Learn about peanuts reproductive process called pegging peanuts.

Learn how the process of pegging peanuts works when growing peanuts.

Pegging Peanuts: A Geocarpic Wonder

Peanuts are a rare example of the reproductive strategy called geocarpy, in which the seeds form and ripen in the ground
beneath the plants. Beginning about 40 days after germination, peanuts produce yellow sweet-pea like flowers. When the flowers
fade, the stems on the fertilized ovaries lengthen until the painted “peg” punts itself in the soil, 1 to 2 inches deep. Once

  • Published on Dec 1, 2002
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