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Genus Armoracia

Armoracia Armoracia rusticana 'Variegata' Photo/Illustration: Linda Wesley
The genus Armoracia is comprised of three species of erect perennials in the mustard family from a range of habitats in Eurasia and the eastern United States. Coarse basal leaves grow from deep taproots, which may be woody or fleshy. The white flowers are small and cross-shaped and are produced in large panicles or racemes from late spring to late summer.
 Noteworthy characteristics: The roots of A. rusticana are used to make horseradish.
 Care: Full sun in light, fertile, moist but well-drained soil. During active growth, be sure to water freely to prevent roots from becoming woody.
 Propagation: Divide or take root cuttings in winter.
 Problems: Powdery mildew, downy mildew, leaf spots, black rot, club root, and turnip mosaic. Root rot is a problem in some areas.

Species, varieties and cultivars for genus Armoracia

Armoracia rusticana 'Variegata' Armoracia rusticana 'Variegata'
(Common horseradish, Red cole) Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This plant's large, undulating leaves are textured like puckered crepe paper. Moreover, they resemble designer textiles with splendid splashes of cream and dark green. This has to be the queen of variegated plants.