come into flower

: the specialized part of an angiospermous plant that occurs singly or in clusters, possesses whorls of often colorful petals or sepals, and bears the reproductive structures (such as stamens or pistils) involved in the development of seeds and fruit : blossom

: a cluster of small flowers growing closely together that resembles and is often viewed as a single flower : inflorescence

: a plant grown or valued for its flowers

: develop

: flourish

: to produce flowers : blossom