Do hydrangeas like acidic soil? Yes, and understanding this is the secret to unlocking their most vibrant hues. These stunning blooms thrive in slightly acidic soil, which can influence their color palette—acidic soil turns pink varieties into deep blues and enhances the richness of existing shades. Learn how to test and amend your soil to create the perfect pH environment that supports healthy growth and striking color changes in your hydrangeas, making your garden truly unforgettable.