There are many literary flourishing in the poem.
First, there is a progression in the poem. Stanza one is about the morning, stanza two is about the afternoon, and stanza three deals with evening. From this perspective, there is movement throughout the day.
Second, some has seen a progression of life as well. Stanza one is about the birth of man and the final stanza is about the dusk of a man's life.
Third, there is also a lot of personification. For example, the sun matures and blesses, and autumn is also describes as on with soft hair.
Finally, there are lots of sounds. In the final stanza, the crickets sing and the birds whistle.