Narrative, there is no setting because the poem is mainly descriptive. There is no setting because the poem is maily descriptive.yes it has multiple possibilities. There is an antithesis because as the green goes away something else comes in with the cold. The title has no historical significance, because the poem doesn't talk about historical facts.
It does say "Nothing Gold can Stay" as stated in the title, other than that there is no repeated lines in the poem.
The poem begins in the beginning of fall because it talks about the first green. The poem lasts through summer and ends in fall. It doesn't specifically say when