First cultivated in China, radish crops spread through the Northern Hemisphere and into Europe in the 1500s. Radishes had reached Massachusetts by 1629.

2. All in the Family

Radishes are members of the Brassicaceae (mustard or cabbage) family. The root is related to kale, broccoli, cauliflower, and horseradish, among others.

3. Calories

Radishes are a great low-cal snack; one cup of sliced radishes has only 19 calories.

4. Link to Wasabi

Radishes are related to wasabi, a type of horseradish, which in paste form is a staplecondiment of Japanese cuisine.

5. Where They Grow

Most states grow radishes, but California and Florida boast the biggest crops in the United States.

6. Your Child's First Plant?

Because they grow rapidly, radish plants are ideal for children's gardens. The scientific name for the genus that includes radishes is Raphanus, Greek for "quickly appearing."

7. Radish Varieties

Several varieties of radishes are available year-round. They vary in size, taste, and color but share nutritional values