Assertion: hydrangea's flower cluster | /r/CapableOf | open white
Facets:
Source sentences:
text: Showy, long-pointed, panicle-type flower clusters bloom in midsummer and last into fall, opening white, gradually changing to pink and then brown.
text: Compact plant, 6 to 8 feet high and wide, has large cone-shaped flower clusters that open white and then change pink from the base, producing a two-tone effect.