To answer your question about free verse, "Roses" is not a poem at all. It is possible that there are poems titled "Roses" written in free verse, but without further context, it's impossible to say for sure.
To help you find a poem you're interested in, could you please clarify:
* What is the full title of the poem you are thinking of?
* Who is the author?
* Where did you encounter this poem?
This information will help me determine if the poem is indeed "Roses" and if it is written in free verse.