It doesn't have to rhyme!
Only the poems with a specific rhyme scheme need to rhyme,Examples - Limerick's, Sonnets, Assigned Rhyme Scheme poetry,Some poetry does not need to rhyme,Examples - Haiku, Free verse poetry,The...
A concrete poem is where you write the words related to a letter or picture and write the lines to form the letter or picture.
treeseekeypeepealeemebebeeknow a tree sew a tree mow a tree lower tree show a tree
Rhyme poetry is poetry that rhymes