Direct Answer • Key Takeaway
The Chinese Snowball Viburnum Bush (Viburnum Macrocephalum) Is Similar in Appearance and Also Produces Flowers That Start Pale Green and Age to White Even Though the Two Plants Aren't Related. .. . Snowball Hydrangea Shrubs Grow 4 to 6 Feet (1 to 2 M.) Tall, While the Viburnums Grow 6 to 10 Feet (2 to 3 M.) Tall.
