Perfect for use in borders, hedges, and in cut flower arrangements, the Cityline Vienna Hydrangea features showy flowers, dense foliage, and sturdy stems. Large round flower heads cover this compact plant all summer long. Depending upon the soil PH, flowers will be either a deep pink (alkaline) or bright blue (acidic). Both color varieties display creamy centers. Its dark green leaves hold their richness throughout the season. A strong grower that is easy to maintain and has excellent mildew resistance.