Changing your hydrangea flowers to blue, pink or purple isn't a magic trick. It's a doable science experiment.
Hydrangeas are one of the most popular garden plants and it turns out there is a simple way to change the colour of the ...
Even so, hydrangeas will suffer in too much shade. Without enough sun, their iconic blooms won't appear and their stems will ...
Hydrangeas can bloom in a range of colours depending on the soil, but if you want them to turn blue, one gardening expert has a clever tip.