Chenopodium bonus-henricus

Tracheophyta MagnoliopsidaChenopodiaceaeChenopodiumChenopodium bonus-henricus


A perennial, forming patches on disturbed, nutrient-rich soil around farm buildings and ruins, and on roadsides and waste ground. It also sometimes occurs in limestone grassland. 0-455 m (Helbeck Fell, Westmorland).



World Distribution

Native to the mountains of C. & S. Europe, where it grows in late snow-patches; naturalised in much of temperate Europe and in N. America.

Broad Habitats

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

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 8


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.4

July Mean Temperature (Celsius): 15.2

Annual Precipitation (mm): 883

Life form information

Height (cm): 50

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1363

Count of 10km squares in Ireland: 81

Count of 10km squares in the Channel Isles: 1

Atlas Change Index: -1.79

Weighted Changed Factor: -33

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.

Atlas text references

Atlas (81a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1980)
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
Strid A
1986.  Mountain Flora of Greece. Vol. 1.