Harvest horseradish in fall, winter and spring. Loosen the soil in a wide circle around the plant, and then use your fingers to locate the direction in which the taproot has grown. Follow the root with a digging fork, and gently remove the surrounding soil before pulling up the root.Continue Reading
Harvest horseradish several times each year, once in mid-fall and once just before the ground starts to freeze, and once when the ground thaws in the spring.
Horseradish is a hardy perennial distantly related to cabbage. Purchase horseradish roots from a nursery or produce market and plant in fall or late winter. The plants sprout leaves in spring and are ready for harvest after one or two seasons of undisturbed growth.Learn more about Outdoor Plants & Flowers