July and August Monday to Saturday 9am to 6pm (non-stop)
56800 Taupont – 18, rue des Hortensias
Product (based on aluminum sulfate) essential to have and/or maintain the blue and/or purple color of your hydrangeas.
At planting: 200 grams to incorporate with the entire substrate.
For maintenance: 100 grams per 10 liters of water per hydrangea plant and once a year in May at the flower bud stage.