Size Super 2, Incrediball® Smooth Hydrangea
Hydrangea arborescens 'Abetwo' PP #20,571
This spectacular improved version of the native Annabelle hydrangea produces huge, full flower heads, as large as 12" across, and is both reliable and beautiful. Flowers open green, then mature to white before fading to green again. Very sturdy stems hold the blooms upright even if soaked with rain. This very cold hardy shrub blooms on new growth, so even very cold winters won't keep it from blooming. Deciduous.