Changing your hydrangea flowers to blue, pink or purple isn't a magic trick. It's a doable science experiment. Macy Meyer is a North Carolina native who graduated from UNC-Chapel Hill with a BA in ...

One thing to consider, though, is their size. Obviously, we're all rooting for your hydrangea to become a massive display of ...

"When the eggshell powder is added to the soil it makes the soil neutral and the color of flowers such as hydrangea turn purple." Additionally, they emphasise that "eggshells should always be used ...