{(russatum x impeditum hybrid 'Moerheim') 'Sacko' x (russatum x ((intricatum x fastigiatum) Intrifast Group x augustinii) Blue Diamond Group) 'Gletschernacht'} 'Lauretta' X {augustinii 'Barto Blue' x (intricatum x augustinii) 'Blue Bird'} 'Crater Lake', H: H. Hachmann (1984), REG: G. Stück (1995).
Habit:
Compact plant. Height 80 cm in 10 years.
Flowers:
Brilliant violet flowers.
Leaves:
Glossy green leaves.
Hardiness:
-8°F, -22°C
Comments:
Has thrived well in my archipelago garden.
Perimä:
{(russatum x impeditum hybrid 'Moerheim') 'Sacko' x (russatum x ((intricatum x fastigiatum) Intrifast Group x augustinii) Blue Diamond Group) 'Gletschernacht'} 'Lauretta' X {augustinii 'Barto Blue' x (intricatum x augustinii) 'Blue Bird'} 'Crater Lake', H: H. Hachmann (1984), REG: G. Stück (1995).