Hydrangeas are exceptional in that the color of their flowers can change depending on the availability of aluminum ions.

Love gardening? Balcony Garden Web brings you the best tips, tricks, and ideas to create a beautiful green space at home! Subscribe now and start your gardening journey with us!

For hydrangea types that flower on old growth—such as bigleaf, oakleaf, mountain, and climbing hydrangea—by pruning the hydrangea, you'd basically be cutting away all of next year's blooms with every ...