Why Are My White Hydrangeas Green

Hydrangea flowers turn can green in response to less hours of daylight. With fewer hours of sunlight there is less energy for the flower heads to produce the blue, pink or white pigmentation in the blooms. This causes the hydrangea flowers to fade from their original color to green in late Summer.

How do you keep white hydrangeas from turning green?

White hydrangeas don’t usually have the ability to change colors, although some white or cream varieties can turn to shades of pink. It is believed that colorful hydrangea blooms can fade to green when aluminum in the soil is depleted. Adding aluminum sulfate can help control the color of your hydrangeas.

Do white hydrangeas turn green?

All hydrangea blooms turn different colors as they age. … Annabelle hydrangeas, which bloom white, ALWAYS turn green when they have been in bloom about two weeks (sometimes they stay white a little longer).