Hydrangea Cityline® Rio This

Hydrangea Cityline® Rio This compact Bigleaf Hydrangea offers mildew-resistant foliage and strong stems holding lush, 6in flower heads -- deep blue-purple on acid soils, pink on alkaline -- with striking green eyes. Cityline® Rio is part of a German series bred for low, tight-growing habit that requires little or no pruning. Flowers on old wood.