noun
news of cherry blossom blooming; tidings of flowers
Typically refers to reports or updates on the cherry blossom front, especially in spring. Can also be used poetically for news of flowers in general.
テレビで花便りを見て、お花見の計画を立てた。
I watched the cherry blossom report on TV and made plans for flower viewing.
故郷から花便りが届いた。
I received tidings of flowers from my hometown.
Refers specifically to the cherry blossom front (the line of blooming), while 花便り is the news or report about it.
Compound of 花 (flower) and 便り (news, tidings).