How to adjust soil pH?
The easiest way to change soil pH is to use acidic fertilizers, such as aluminum sulfate or peat moss. These will help lower the pH, creating the ideal conditions for blue flowers. Simply mix them into the soil around the plant and water regularly. Remember that it can take several weeks for the color to change, so be patient.
Hydrangea Care
In addition to adjusting the pH, it is also important to properly care for hydrangeas. These plants need plenty of water, sunlight, and regular watering to thrive. Make sure they are protected from extreme temperatures and strong winds, which can affect their growth and blooms.