Rock Garden Plants
Phyteuma  sieberi Spreng.   
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FamilyCAMPANULACEAE
Genus species var.Phyteuma  sieberi Spreng. 
SynonymsPhyteuma sieberi var. alpinum Rich.Schulz
Territory Middle EuropeSoutheastern EuropeAustriaItalyYugoslavia, (Bosnia-HerzegovinaCroatiaSlovenia)
grassland and rocks
Altitude1600-2600m
Description leaves ovate-orbiculate, subcordate, petiolate, upper leaves lanceolate, crenate-serrate, bracts ovate, sharply dentate, ciliate, flowers in spherical head
Size10-15cm
Colorbluish violet
Bloomsummer
Ca+
Typetuft
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
Propagationseed in winter, uncovered, light, germ. 1-3 months, 16-21°C
basal cuttings in spring
BibliographyTutin T.G.(ed.) Flora Europaea (1964-1980)
World Checklist apps.kew.org/wcsp
Picture
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý