Aru Nair

Elizabeth Wolkovich, a forest and conservation scientist who studies bloom timing, explains winter chilling and spring warming models. Matthew Morrison, an arborist with the National Park Service who cares for the National Mall cherries, describes the six stages of blossoming and local management. Aru Nair, reporter and on-site producer, narrates field interviews at the Tidal Basin. They discuss forecasting peak bloom, tracking thousands of trees, and climate-driven shifts.