Harvesting Horseradish - Knowledgebase Question

Flushing, NY
Question by j_m_nicholes
November 3, 1999
Please help! When do I pick my horseradish? It has been in groung for two years, is it true I should wait for the first frost? Or can I pick it during the second fall? Any advice you can give me would be most helpful. Thank you.

Answer from NGA
November 3, 1999


Horseradish is one of those perennial plants that keeps growing and growing until you dig it out of the ground. Although horseradish is a perennial plant, many gardeners treat it as an annual and plant it fresh each year. In theory, the bed will continue producing indefinitely. However, older plants usually yield progressively smaller and tougher roots each year. Dig horseradish in late summer or early fall when the roots are large enough to suit you. You can dig them right up until the frozen ground stops you! You can also store the roots in sand or sawdust in a cool spot. By the way, did you know you can use the young leaves of this plant in your salad? Remember to save a few of the smaller roots for next year's planting.

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