This medium sized plant blooms a beautiful cornflower-blue with a touch of purple in high acid soil. Aluminum sulphate can be added to the soil when a young plant to keep it from turning rose colored. A late-flowering blue hydrangea with dark green leaves that endure into the fall. The flower heads stay in perfect condition turning to green, red, or purple autumnal tints. You'll savor this fine hydrangea in your garden and in your home.