Tap water - especially in hard water areas - can be alkaline and this can cause blue-flowered hydrangeas to turn pink. But ...

We may receive a commission on purchases made from links. Blue flowers are fairly uncommon in the natural world, so adding them to your landscape provides instant visual interest. They also boost ...

* What it is: Virginia bluebells are a Pennsylvania-native perennial that typically grow in woodland colonies and produce ...

which is an acid-loving plant and will help the flowers burst with a beautiful blue colour. Experts advise burying used tea bags near the roots of hydrangeas and as they naturally decompose ...