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

Height (cm): 50

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

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%)


JNCC Designations


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.