How to Grow a Potato Without Soil

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.

Potato
Jar or glass
Toothpicks
Water

Instructions

- 1
  Select a glass or jar with an opening that has a diameter slightly larger than the widest section of your potato.
- 2
  Orient the potato in a vertical fashion with its narrowest end pointing downward.
- 3
  Insert four toothpicks, 1/4 to 1/2 inch deep, around the middle of the potato in a cross-shaped formation.
- 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
  Fill the jar or glass with fresh water until half of the potato is submerged.
- 6
  Put the jar or glass on a sunny windowsill. Roots and sprouts typically begin to emerge within 10 days.

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