Knowledgebase
How do you grow horseradish?
Posted by Dobies Staff on 12 December 2013 01:43 pm

Horseradish requires a fertile, well-drained soil that has had well-rotted manure or garden compost incorporated in the autumn. No additional fertilizers are required. Plant the sections of root known as thongs during March and April in a sunny position 45cm (18") apart in 15cm (6″) deep holes made with a dibber. Little else needs to be done other than watering in dry spells and keeping weeds under control. Horseradish plants will grow to a height of approximately 60cm (24″) in height. 

The plants should be lifted in the autumn and the roots stored. Leaving them in the ground for more than a year will result in the plants deteriorating and spreading beyond their allotted area. 

When the plants are lifted, cut off the tops and store the roots under cover, in slightly moist sand. Store the roots in a dark, cool, frost free place where the temperature does not rise above 4°C (40°F). If the temperature rises above 7°C (45°F) the roots can become woody and may start to grow. The roots should be scrubbed and grated only just before they are required for use. Remember to save some roots for replanting in spring.

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