From Longman Dictionary of Contemporary Englishin (full) blossomin (full) blossomHBPDLGwith the flowers fully open → blossom
Examples from the Corpus
in (full) blossom• But in blossoming, Jessie unknowingly tears open a decades-old secret that could cost her her life.• She was an autumn flower in blossom.• Peach and cherry trees are out in blossom, and we've seen quite a few birds.• He looks out of his window and sees amidst his winter garden one tree in full blossom. 