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.

The return of cherry blossoms is Washington’s favorite springtime tradition. Do you have questions about the floral trees and ensuing bloom brouhaha? We’ve got answers. When is peak bloom? Peak bloom—the period when 70% of the Yoshino trees at the Tidal Basin are flowering—is currently predicted for March 28-31.

The famed cherry blossom trees are making their way toward peak bloom in D.C. Here’s a look at their progress.