Horse Radish

How to Grow Horseradish

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Armoracia rusticana     Full ~ Partial Shade Sun    Soil pH: 5.5 - 7.8


 

Horseradish

Horseradish is generally relegated to the never never land of the culinary realm. Fresh garden grown horseradish however has a unique burning zesty zingy taste that can clear your sinuses and redden the whites of your eyes. It's a very easily grown plant that thrives in most conditions.

Horseradish is cold-hardy up to Zone 3, it's a perennial that grows best where there's ample cold weather to force dormancy. There are two primary varieties of horseradish, common and bohemian horseradish. Common horseradish, which has wide crinkly leaves. Bohemian HorseradishBohemian Horseradish has more narrow, unwrinkled leaves and is more resistant to disease.





Site Selection

Horseradish does best in full sun but tolerates partial shade. Horseradish will not grow in constantly wet soggy conditions, most other soil types are just fine.

As it is a perennial you may want to select a site that is in a low traffic area of your garden, a corner of your herb garden is just dandy. A common problem faced with horseradish is keeping it from growing where it's not wanted, it can easily invade areas delegated for other crops.

Bohemian Horseradish

To control its spread, remove the entire root, including any branches, when harvesting, then replant only only a modest amount of roots, just enough to meet the following seasons needs.

Horse Radish also can be grown in a deep planter. Growth is usually somewhat slower. Soil pH should be between 5.5 to 7. The horse radish plant will grow approx. 24" tall and 18" wide, so be sure to use a large enough planter.

Planting

Horseradish can be grown from root cuttings or plants and can be set out in early spring or fall. Loosen the soil to about a foot deep and add a shovel full of compost to the hole. Plant the root cutting upside down at an angle, with the top of the cutting about 2 inches below the ground. One or two plants is generally sufficient to meet the average family needs for a year. Should you plant more, they should be spaced about 2 1/2 feet apart.

It is perfectly normal for the horseradish plant to wilt after planting, especially if planted in full sun, temporarily shading the plants for the first couple of days is advisable until they recover from transplanting.

 

Care

Horseradish doesn't require extensive attention once it's growing. Water weakly bi weekly, slightly more during dry spells. A few of inches of mulch around the plant base is advisable in order to conserve moisture.

The compost you originally placed in the planting hole should supply the horseradish plant most of the nutrients it needs for the season. If absolutely necessary apply a low-nitrogen fertilizer occasionally, no more than 3 times per season. Soil pH should be 6.0 -7.0.




Harvest

Your first horseradish harvest should be one year after planting. Dig away the soil from around the tap root, carefull freeing up the side roots and removing them simultaneously. For optimal yields, harvest after the frost has killed any foliage. Scrub the primary root with clean running water and dry well. Horseradish root will keep in a refrigerator for three - four months.

Both the leaves and roots of horse radish plants are edible, the leaves are less commonly used. See clarejosa.com page on preparing horse radish leaves and root.


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