No surprise, then, that gardeners have spent decades trying to decode their color shifts. If you’ve ever passed a hydrangea ...

I’m told I have difficulty with colors. Without going too far into shades and hues and other color-shifting terms, is it only ...

If your annual flowers aren’t exploding with celebratory fireworks of color right now, it may be lack of fertilizer.

Changing hydrangea flower color with coffee grounds is a popular garden hack that could do more harm than good.

Another, quicker way to achieve a change in flower color is through liquid soil drenches. To make the flowers blue, or perhaps bluer during the growing season, dissolve a tablespoon of alum ...

To gradually change flower color from pink to blue, broadcast one-half cup of wettable sulfur per 10 square feet and water. To make the flowers pink, ...