How to Grow Horseradish

A cool-season root for the home garden across the warmer US.

Horseradish is a rewarding cool-season crop for backyard growers.

When to plant

Horseradish is a cool-season crop. In the South and Southwest, plant in fall through winter when the heat eases. See your region on the horseradish page for exact timing.

Varieties

• Common / Bohemian, Standard pungent root, from root cuttings (nurseries / garden centers)

How to grow it

• Sun & soil: full sun, rich well-drained soil with even moisture.
• Spacing: about 30 cm (12 in) between plants.
• Sowing: sow about 8 cm deep.
• Water: roughly 7 L per plant every 7 days in hot weather.

Pests & problems

Watch for Flea beetles. In humid regions, Leaf spot can appear, so space for airflow and water at the roots in the morning.

Harvest

Horseradish is usually ready to harvest in about 5 months. Pick regularly to keep plants productive.

When to plant in your region

Pick your region to see exactly when to plant horseradish where you garden.

See also: Horseradish in the plant library →

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