number : 6 tot 9 per m2
- little groups of 3 to 10 plants (B) - groups of 10 to 20 plants, even more (C)
Plant description
This plant has high ornamental value until autumn. Its Aster ageratoides varieties are characterized by vigor and strength.
These belong to the 'macho' plants: varieties that grow quickly, inhibiting the growth of weeds. Excellent ground-cover.