Hydrangea macrophylla Onyx™ ‘Zebra’ is really a zebra look-alike with its white flowers and beautiful black stems. A perfect choice as a solitary on your balcony, for in a shrub border, in mass planting or mixed containers. Onyx™ ‘Zebra’ flowers in summer and is hardy to USDA Zone 5a. This medium shaped shrub becomes 49” tall and 20” wide and prefers a moist but well-drained soil in the sun or partial-shade. Onyx™ ‘Zebra’ is deciduous and can be pruned in winter to a height of 6".