Mar. 20—Couples strolled, TikTokers danced and friends shared takeout under the gnarled branches dappled in pale pink blossoms on the University of Washington's Quad on the last night of winter. With the help of record heat over the weekend, the blossoms exploded into peak bloom — when at least 70% of buds have emerged — Tuesday. The exact date the Quad's Yoshino cherry trees may burst into ...