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.

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 any time that the ground is not frozen, preferably 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.

Planting and Harvesting Calendar

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Pests which Affect Horseradish

Aphids (General)

Slug

Snail