Potentilla 'McKay's White' is a compact, ball-shaped shrub prized for its abundant soft white flowers that bloom from June through frost. The fine-textured, dusty green foliage provides elegant contrast and maintains its appeal throughout the season. Exceptionally hardy and tough, this shrub adapts to virtually all growing conditions except wet soil, making it an ideal choice for northern gardens where reliability matters. Perfect for borders, foundations, and mixed plantings.