Erigeron vagus
From a branched rootstock, this species forms dense low mats of many gray-green leaf rosettes. Up to 5cm high in bloom. From each rosette develops beautiful violet-colored flowers in late spring. Pretty dwarf North American species with abundance at altitudes above 3,300 m. PH 6-6,5 / GOC 1a / b + 2a + 3a with moisture protection in winter / s