Armoracia rusticana

Tracheophyta MagnoliopsidaBrassicaceaeArmoraciaArmoracia rusticana


A long-lived perennial herb, persisting in old gardens and allotments and spreading by root fragments to roadsides, waste ground, railways, sandy seashores and river-banks. The plant is highly sterile, and seed-set is unknown in our area. Lowland.



World Distribution

Not known in the wild; naturalised throughout temperate Europe, whence it has spread to N. America and elsewhere.

© P. Shannon

Broad Habitats

Boundary and linear features (eg hedges, roadsides, walls)

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 15.6

Annual Precipitation (mm): 850

Life form information

Height (cm): 150

Perennation - primary


Life Form - primary




Clonality - primary

Rhizome far-creeping

Distribution information

Count of 10km squares in Great Britain: 1532

Count of 10km squares in Ireland: 111

Count of 10km squares in the Channel Isles: 10

Atlas Change Index: 0.05

Weighted Changed Factor: -10

Weighted Change Factor Confidence (90%)


Distribution information

JNCC Designations


PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.