No surprise, then, that gardeners have spent decades trying to decode their color shifts. If you’ve ever passed a hydrangea in a show-stopping hue and thought, Why doesn’t mine look like that? — ...

The presence or absence of aluminum compounds in the flowers influences the flower color of the common garden hydrangea, Hydrangea macrophylla. News Today's news ...

When you grow a potted hydrangea, you have more control over the flower color. That's why the florists' hydrangeas, those 1-gallon pots with oversize flowers, are such intense shades of pink or blue.

Bigleaf hydrangea responds to several light applications of fertilizer during the growing season. A general-purpose fertilizer, such as 8-8-8 or 10-10-10 applied at a rate of 1 pound (2 cups) per ...

When I was in the 10th grade I learned how to change the flower color of the common garden hydrangea from pink to blue or from blue to pink.

Bigleaf hydrangea responds to several light applications of fertilizer during the growing season. A general-purpose fertilizer, such as 8-8-8 or 10-10-10 applied at a rate of 1 pound (2 cups) per ...