From the 39endless summer39 series hydrangea macrophylla 39bloomstruck39 boasts masses of beautiful blooms from may right through to september33 the large flower heads emerge green and depending on the ph of your soil gradually take on shades of blue45purple or rich pink with creamy white centres in addition to this hydrangea 39bloomstruck39 has bright red stems and red veining through its dark green leaves happy in sun or dappled shade hydrangea 39bloomstruck3