Hydrangeas are one of the most popular garden plants and it turns out there is a simple way to change the colour of the ...

Mountain hydrangeas like this one have beautiful lacecap flowers which range from blue to pink to white. It does best with some afternoon shade. This type of hydrangea is hands-down the easiest to ...

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.