The dwarfest of all Hydrangeas, very floriferous.
The color of the flowers is dependent on the pH and composition of the soil. The more the soil is acidic and in the presence of aluminum (sulphate of alumina, slate), the more the flowers will be purple to bluish.
Dwarf hortensia obtained in Denmark in 1956, with bright green foliage, inflorescences in balls of flowers bright pink to mauve, appearing on the wood of the previous year.