Why are carrots, beets, potatoes, ginger, and onions classified as vegetables rather than fruits?

Carrots, beets, potatoes, ginger, and onions are classified as vegetables because they are culinary and nutritional categories rather than botanical ones. Botanically, a fruit is defined specifically as the ripened ovary of a flowering plant that encloses seeds, serving the purpose of seed protection and dissemination.12

In contrast, the items you listed are categorized as root vegetables, a culinary term for various edible underground plant structures. These include:

• True roots: Such as carrots and beets.3
• Tubers: Modified stems like potatoes.3
• Rhizomes: Modified stems like ginger.3
• Bulbs: Modified stems with fleshy leaves like onions.3

Because these parts of the plant do not develop from a flower's ovary and do not contain seeds, they do not meet the botanical definition of a fruit. Instead, they are grouped as vegetables because they are edible plant parts typically used in savory dishes rather than as sweet snacks or desserts.124