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Herbs - CulinaryHerbaceous Perennial

Armoracia rusticana

horseradish

A vigorous rhizomatous perennial with fleshy, pungently aromatic tap-roots, large, dock-like bright green leaves and panicles of small, white flowers in early summer

Other common names
horseradish
pepper root
see morepepper turnip
red cole
horse radish
Synonyms
Brassica amoracia 'Rusticana'
Cochlearia armoracia
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Brassicaceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Armoracia are robust upright tap-rooted perennials with simple or pinnately lobed leaves, and small white, 4-petalled flowers in terminal panicles or racemes

Name status

Correct

Plant range
SE Europe

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How to grow

Cultivation

Grow in light, fertile and deep, moist but well-drained soil in full sun. Water freely during the growing season. Can be invasive

Propagation

Propagate by seed or by division in winter

Suggested planting locations and garden types
  • Wildlife gardens
Pruning

Cut back after flowering

Pests

Generally pest free

Diseases

May suffer from club root

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