Symbolism is prevalent throughout Fringe.
White tulip
The white rose in Walternate's bedroom
White Tulip[]
The white tulip is a symbol of forgiveness and hope.
- Walter longs for a white tulip, which he believes will be a sign from God that He has forgiven Walter for breaking the universe. Walter believes that if He can forgive Walter for his actions, then so too can Peter.
- September took Walter's white tulip note from "White Tulip" in the original timeline and kept it. Walter took it and did something with it in "The Boy Must Live".
- Walter receives a letter from Alistair Peck containing a white tulip.
- Peter and Olivia first meet as children in a field filled with white tulips.
- There was a white rose in Walternate's bedroom in "Immortality" when he was struggling with what he had to do to save his world, suggesting that the white rose has meaning for him just as a white tulip did for Walter.
- When Olivia regains her memories in the Alternate Timeline but is rejected by Peter, a wilted white tulip can be seen on the table of the restaurant where she meets Nina for breakfast.
- At the end of the series, Peter receives a letter from Walter containing a white tulip, as Peck did for him.
Yellow tulips in The Same Old Story
Yellow Tulips[]
Olivia's pregnancy dream in "The Same Old Story" is in a waiting area with giant (yellow) tulips.
Dandelion[]
The dandelion symbolizes the persistence of the human spirit. It is seen growing from "scorched earth" after the Observer invasion. It also is tied to Henrietta, who was seen playing with a dandelion in 2015 in the park.