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. 'Ragra' PPAF
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