Bigleaf hydrangea Hydrangea 'Royalty Lady Mata Hari' Pink - Hardy plantBeautiful and mysterious flowers. The perfect description for the spherical hydrangea 'Lady Mata Hari' (Hydrangea macrophylla). This hydrangea blooms in different colours in one flower: pink, green and even a little white. You can plant the hardy hydrangea all year round, provided temperatures have not dipped below freezing. The flowers bloom in the summer. Pruning is not necessary, unless the bush becomes too large. Plant the hydrangea in partial