Peak bloom occurs when 70% of the blossoms of the Yoshino cherry trees, the most common type along the Tidal Basin, are open. The National Park Service, which tracks the blooming of the trees each year, predicts peak bloom will be between March 28 and 31 this year.

Peak bloom has been reached for the cherry blossom trees in Washington, D.C., as millions of travelers and tourists arrive. A National Park Service ranger shared tips for seeing the blooms.