How to grow Horseradish

Armoracia rusticana

The tap root will develop over two summers in deep soil.

Growing Horseradish from seed

Seeds are usually sterile, Cultivate from from root cuttings.

Transplanting Horseradish

A small piece of root 50mm long laid horizontally in the ground at a depth of 4-5cm will sprout in early spring and form a new plant.
If the root orientation is known (top as distinct from the bottom) then it may be planted vertically.

Horseradish is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.

Harvesting Horseradish

Best left undisturbed until harvest time in winter as broken roots will freely germinate. Roots can be taken at any time though.

Seed Saving Horseradish

Seed saving is not used as they are most likely sterile

How long does Horseradish take to grow?

These estimates for how long Horseradish takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Horseradish to germinate?
8 days

Average 8 days | Min 3 days | Max 45 days (4)

Days to Transplant How long until I can plant out Horseradish?
+ days

Average days | Min days | Max days (0)

Days to Maturity How long until Horseradish is ready for harvest / bloom?
+ 600 days

Average 600 days | Min days | Max days (0)

Total Growing Days How long does it take to grow Horseradish?
= days

Horseradish Folklore & Trivia

Horseradish is still planted and harvested by hand. In addition to the usual horseradish sauce, it has been used as an expectorant and to treat urinary infections. As it is a skin irritant it has also been used in ointments for its warming effect in rheumatic conditions

Other names for Horseradish

Raifort

Armoracia lapathifolia, Cochlearia armoracia

Footnotes


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