Crop Rotation Group
Brassicas (Cabbage family)
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Soil
Any moist, fertile soil.
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Position
A sunny spot with room to spread. The roots often spread several feet in the course of a season.
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Frost tolerant
Horseradish is a hardy perennial that will survive winter even in very cold climates.
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Feeding
Not usually required.
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Companions
Usually horseradish should be planted by itself but is useful at the corner of a potato patch as it has a repellant effect on Colarado Potato Beetles.
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Spacing
Single Plants: 1' 1" (35cm) each way (minimum)
Rows: 1' 1" (35cm) with 1' 1" (35cm) row gap (minimum)
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Sow and Plant
Set out roots any time that the ground is not frozen, preferably from early spring to early summer.
Our Garden Planning Tool can produce a personalized calendar of when to sow, plant and harvest for your area.
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Notes
Persistent and long lived, horseradish can become invasive if you accidentally allow pieces of root to be spread around the garden.
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Harvesting
Dig roots anytime you need them in the kitchen. Keep scrubbed roots in the refrigerator.
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Troubleshooting
Horseradish seldom has problems with insects or diseases.
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