Hydrangea macrophylla 'Zebra' PP18688
Green flowers turn to white and measure 3 inches tall and 5 inches wide, and bloom all summer. The contrasting near-black stems provide a striking combination. Matures at 4 feet tall and 3 feet wide.  Sold in two gallon container.
 
Exposure: Partial Shade
Height: 4 ft    
Spread: 3 ft    
USDA Zone: 5
Key Features: Deciduous
Growth Rate: Fast
Habit: Compact
Flower Color:  White
Blooms: Summer
Foliage Color: Green
Interest: Summer
Uses: Mass Planting, Bed, Container, Border