For the most common Hydrangea varieties, the soil’s pH directly controls the expression of color. … See more

Think of your Hydrangea bloom as a litmus paper, taking a sample of the soil below and changing color to indicate the acidity. Litmus paper turns red when dipped into an acidic soluti… See more

Aluminum ions move through the Hydrangea’s root system and up into the plant much easier when the soil conditions are acidic. However, in soil that is more basic or ne… See more

The most common varieties, including the bigleaf Hydrangeas (Hydrangea macrophylla), have this chameleon-like ability to change colors. That means that if your flower… See more

Some of the most popular Hydrangeas that start blue, or can change to blue through soil manipulation, are some of the most widely available types out there. If you want a touch of t… See more

Blooms that are creamy white are probably among the types that do not change color. These Hydrangeas are beautiful on their own but don’t waste your time or effort trying to tur… See more