How to grow a potato without soil

Written by joshua duvauchelle Google
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Unlike many plants, a potato plant doesn't need soil to grow. You can grow it in a simple glass of water, which makes it ideal for a lush houseplant. Its easy-to-start nature also makes it popular for school science experiments to show children how a plant takes root. In just a couple of weeks, you can turn a regular potato into a green, vigorous vine and bring a touch of the outdoors into your kitchen, living room or classroom.

Skill level:
Moderately Easy

Things you need

  • Potato
  • Jar or glass
  • Toothpicks
  • Water

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  1. 1

    Select a glass or jar with an opening that has a diameter slightly larger than the widest section of your potato.

  2. 2

    Orient the potato in a vertical fashion with its narrowest end pointing downward.

  3. 3

    Insert four toothpicks, 1/4 to 1/2 inch deep, around the middle of the potato in a cross-shaped formation.

  4. 4

    Place the potato in the mouth of the jar or glass so the potato is supported by the toothpicks resting on the rim of the jar.

  5. 5

    Fill the jar or glass with fresh water until half of the potato is submerged.

  6. 6

    Put the jar or glass on a sunny windowsill. Roots and sprouts typically begin to emerge within 10 days.

Tips and warnings

  • You can keep growing the potato in the jar, trimming its top leaves with scissors as needed to keep it from overgrowing your windowsill. Change the water every three or four days to prevent the water from stagnating. You can also transplant it into your outdoor garden by simply burying the rooted potato so that the soil reaches the point where the vine emerges from the potato.

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