Hydrangea flower color is influenced by soil acidity.
An acidic soil produces blue flowers; an alkaline soil produces pink flowers.
Soil with variable acidity produces flowers with a variation of color.
Blue Purple and Pink Hydrangea Flower
Hydrangea flower color is influenced by soil acidity.
An acidic soil produces blue flowers; an alkaline soil produces pink flowers.
Soil with variable acidity produces flowers with a variation of color.