Hydrangea macrophylla 39glowing embers39 is a compact hydrangea variety that is ideal for small gardens and outdoor spaces such as roof gardens this hydrangea will produce two flushes of flowers throughout the summer months and as with all hydrangeas is one of the last of the garden plants to lose their flowers in the autumn 39glowing embers39 has slightly ruffled blue petals when grown in acidic soil and pink petals when grown in alkaline soil in late autumn the flowers turn a