Tubers

A tuber is a plant structure that stores energy and nutrients. Although they generally grow underground, they aren’t exactly roots. While roots can take in nutrients, tubers only store it, making many of them nutritious edibles.



A tuber is a plant structure that stores energy and nutrients. Although they generally grow underground, they aren’t exactly roots. While roots can take in nutrients, tubers only store it, making many of them nutritious edibles.

The most familiar tuber is probably the potato. Other edible tubers include beets, carrots, sweet potatoes, taro, yams, jicama and parsnips.

Tubers are split into two categories: stem tubers and root tubers. Stem tubers are the enlarged tips of underground stems, like potatoes or dahlias. Root tubers are an enlarged part of the root from which root shoots grow, like yams or begonias.

Many tubers are predominant in fall and winter gardens because the tuber roots can stay warm even as above-ground temperatures begin to drop.

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