Hydrangea, Endless Summer® Pop Star® Macrophylla HydrangeaPop Star Hydrangea is a truly compact deciduous shrub that reblooms from late spring through fall. It has large serrated dark green leaves on that turns red burgundy in fall. The color of the small clusters of lacecap flowers depends on the soil PH acidic soils produce deep blue while alkaline or neutral soils produce pink. The flowers attract butterflies. Best bloom in partial sun and rich, moist well drained soils. Pop Star is a robust rebloomer and