Horseradish Growing Guide
Armoracia rusticana
Crop Rotation Group
Brassicas (Cabbage family) ●
Soil
Any moist, fertile soil.
Position
A sunny spot with room to spread. The roots often spread several feet in the course of a season.
Frost tolerant
Horseradish is a hardy perennial that will survive winter even in very cold climates.
Feeding
Not usually required.
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 potato pests.
Spacing
Single Plants: 35cm (1' 1") each way (minimum)
Rows: 35cm (1' 1") with 35cm (1' 1") row gap (minimum)
Sow and Plant
Set out roots from early spring to early summer.
Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area.
Notes
Persistent and long lived, horseradish can become invasive if you accidentally allow pieces of root to be spread around the garden.
Harvesting
Dig roots anytime you need them in the kitchen. Keep scrubbed roots in the refrigerator.
Troubleshooting
Horseradish seldom has problems with insects or diseases.
Planting and Harvesting Calendar
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Pests which Affect Horseradish