“The best associations are between plants which have one element in common and another contrasted.”     – Dame Sylvia Crowe  (Distinguished British Landscape Architect)

Here the common element is the color white, while the contrasting element is size.

Large blossoms compliments of the Chinese Snowball (Viburnum macrocephalum); small blossoms are the white Lady Banks Rose (Rosa banksiae ‘Alboplena’).