Formulation: Powder
Features:
The preparation is a specific bluing agent for hydrangeas.
Thanks to its particular composition, which also contains an aluminum salt, it exerts a decisive action on the soil that induces the pigmentation of the inflorescence of some hydrangea varieties (Hydrangea macrophylla).
Dosage and Use:
Planting: mix 1 tablespoon (10 g) per 2 liters of substrate;
Maintenance: 1 or 2 tablespoons on the soil or buried;
treat once a month until the desired pigmentation is achieved. Then water.
Period of use:

Composition:
EC fertilizer - Iron salt (sulfate)