The blossom in the poem represents the coolie's hopes for a brighter future. It is a symbol of new life and growth, and it reminds the coolie that even in the midst of poverty and hardship, there is still hope for a better tomorrow.
The poem ends with the coolie waking up from his dream and returning to his harsh reality. However, the blossom remains a symbol of hope, and it reminds the coolie that his dream is still possible.