Calendula officinalis

Tracheophyta MagnoliopsidaAsteraceaeCalendulaCalendula officinalis

Ecology

An annual typically found in or near gardens, and on waste ground and rubbish tips. Lowland.

Status

Neophyte

World Distribution

A garden plant of unknown origin.

© H. Higgins, IWNHAS

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4

July Mean Temperature (Celsius): 15.7

Annual Precipitation (mm): 822

Height (cm): 50

Perennation - primary

Annual

Life Form - primary

Therophyte (annual land plant)

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 764

Count of 10km squares in Ireland: 24

Count of 10km squares in the Channel Isles: 10

Weighted Changed Factor: 59

Weighted Change Factor Confidence (90%)

33

JNCC Designations

NBNSYS0000004392