(common name:reblooming mountain hydrangea) Tuff Stuff Reblooming Mountain Hydrangea is an exceptional shrub known for its abundant clusters of delicate, lacecap flowers that transition from pink to a stunning deep blue or purple hue based on soil acidity. It typically grows to a height of 2 to 3 feet (60 to 90 centimeters) and spreads about 3 to 4 feet (90 to 120 centimeters) wide, forming a compact and rounded shape. Tuff Stuff thrives in partial shade to full sun, requiring at least 4 to 6 hours of direct sunlight each day, and its reblooming nature offers a prolonged display of captivating flowers throughout the summer season.