Hydrangea 'Endless Summer Popstar' is a deciduous flowering shrub. The revolutionary series that introduced reliable reblooming to macrophylla hydrangeas — producing large mophead or lacecap blooms in blue or pink throughout the growing season. Prefers organically rich, moist, well-drained soil. Most varieties perform best with morning sun and afternoon shade, though panicle types tolerate more sun. Among the most versatile and beloved shrubs for mixed borders, foundation plantings, cut flower gardens, and specimen use throughout the landscape.