The Yoshino cherry trees in Washington, D.C., blossom every spring for a period of about two weeks. Peak bloom usually begins around the final week of March or the first week of April. The average date for the peak bloom is March 31.Continue Reading
The blooming period begins when 20 percent of the cherry blossom florets open. Peak bloom refers to the date when 70 percent of cherry trees are fully in flower. This only refers to the Yoshino cherry trees around the Tidal Basin, which the National Park Service monitors.
Peak bloom only lasts for a few days every year. It is virtually impossible to predict precise dates for peak blooms more than 10 days prior to flowering. Environmental factors, particularly weather and damage from animals and insects, determine bloom dates.Learn more about Outdoor Plants & Flowers