Saxifraga granulata

Tracheophyta MagnoliopsidaSaxifragaceaeSaxifragaSaxifraga granulata


A perennial herb with a bulbiliferous rhizome, growing in moist but well-drained, often lightly grazed, base-rich and neutral grassland, in unimproved pastures and hay meadows, and on grassy banks. More rarely, it occurs on shaded river banks and in damp woodland. It is also locally naturalised near houses and in churchyards. Generally lowland, but reaching 580 m N.E. of Helbeck Fell (Westmorland).



World Distribution

European Temperate element.

© P. Shannon

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 4

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.1

July Mean Temperature (Celsius): 15.1

Annual Precipitation (mm): 853

Height (cm): 36

Perennation - primary


Life Form - primary


Comment on Life Form

produces bulbils; perhaps to some extent a bulbil-therophyte



Clonality - primary

Detaching ramets above ground (often axillary)

Count of 10km squares in Great Britain: 975

Count of 10km squares in Ireland: 6

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.26

Weighted Changed Factor: -40

Weighted Change Factor Confidence (90%)


JNCC Designations


Atlas text references

Atlas (137c)
Curtis TGF, McGough HN
1988.  The Irish Red Data Book. 1. Vascular Plants.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1999)
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
Webb DA, Gornall RJ
1989.  Saxifrages of Europe.