Osmanthus blooms in the eighth lunar month, when the Mid-Autumn moon is fullest and winds turn crisp. The wind in Yang’s line is not mere weather; it is the courier of scent, carrying sweetness through courtyards and lanes. Song-era Hangzhou—where Yang often traveled—was famed for osmanthus groves and festival brews of osmanthus wine. Consequently, the poem’s sensory world is seasonal: as the moon waxes, the air itself seems to confess the flower’s celestial origin, drawing culture and climate into a single breath. [...]