The village of Yoshino in Japan, near the old capitol of Nara, is probably ground-zero of the Cherry Blossom tradition. Since antiquity, people have sung the praises of the trees there. These days you can enjoy online!
As of writing, the Yoshino news Twitter feed reports full bloom (mankai 満開)!
P.S. Not to be outdone, the famous Zen temple in Kyoto, Ninnaji, has been posting photos too: