The peak bloom date is defined as the day when 70% of the Yoshino cherry blossoms are open. Peak bloom varies annually depending on weather conditions. The most likely time for peak bloom is between the last week of March and the first week of April.

Peak cherry blossom bloom. Annually, nearly 30 cherry trees come to life in the University of Washington (UW) quad, typically in the second half of March. As we rapidly approach peak bloom season, here's what you need to know about the trees,

The Cherry Blossom trees have now reached stage 4, also called the Peduncle Elongation phase, according to the National Park Service.