Dwarf Japanese aster (Aster ageratoides var adustus) 'Nanus'
Container size C2
Very dwarf form of Japanese aster. Blue-rayed flowers encircle a central yellow disk studded on mounded domes. It increases its girth slowly. This would be lovely in the forefront of any border, even if utilized as a ground cover as it will spread moderately but remain tight. Site in full to part sun planted in well-drained soil, 'Adustus Nanus' will tolerated bony conditions. Established pot grown perennial from cutting grown or division.
Height 15-25 cm
Width 40-50 cm
Spacing 20-30 cm (5-7 pc/m2)
Flowering time VII-IX
Site sunny to half-shaded, dry to medium moist well drained soil