Hydrangea, Let's Dance® Big Band® HydrangeaBig Band Hydrangea is a dwarf fast growing deciduous shrub with a rounded habit and serrated dark green leaves with no fall color. Its mophead flowers bloom on both new and old wood with color that depends on the soil PH acidic soils produce violet blue flowers, while neutral or alkaline soils produce saturated pink flowers and rebloom continuously through summer. The flowers attract butterflies and pollinators. Best bloom in partial sun and rich,