“At night, when Roe’s family is sleeping, it ‘smells like you’re camping, because the fresh air is getting pumped in at such a rapid rate,’ he said. You know the air is good, he told me, because the hydrangeas last. Typically, when cut at the stem and arranged in a vase, the delicate flowers wither and droop in a few days. In his apartment, the blooms will stay perky for nearly two weeks.” The Hot New Luxury Good for the Rich: Air.