After being (apparently) cured of her Thorn persona, Rose married Alan Scott and had two children, Jennie-Lynn Hayden and Todd James Rice by him.
As an adult, Rose was studying biology on the island of Tashmi, where she was exposed to the sap of a jungle root, which transformed her into Thorn.
The Amazons of Paradise Island undertook her psychological treatment and apparently managed to rid Rose of the Thorn persona.
A one-shot take on Rose and Thorn was published as part of the National Comics line in September 2012, written by Tom Taylor and drawn by Neil Googe.
The shy Rose discovers that she has a violent and sexually adventurous split personality Thorn who is determined to find her father's murderers.
[5] In the pages of "The New Golden Age", Alan Scott's marriage to Rose Canton remains intact after he told Obsidian about his first encounter with Red Lantern.
[6] A second character was created by writer Robert Kanigher and artist Ross Andru in the 12-page Lois Lane story "Death House Honeymoon" in Superman's Girl Friend, Lois Lane #105 (October 1970), with her own series, "Rose and the Thorn", debuting that issue as the title's backup feature.
She is known to carry a pair of combat daggers, a barbed whip, and a bandolier of tiny, thorn-shaped weapons, some of which contain explosives, miniature smoke bombs, or blinding magnesium flares.
After being tied up and gagged in a supply closet, Thorn reverted to her Rose persona and began to sob, frightened and confused about what was happening.
After a fierce battle, the women left Thorn hanging bound and gagged from a Superman statue in a local park for all of the citizens to see.
Ivy then tortures Thorn in order to prove that she's weak, eventually leaving her in the care of Bizarro while she takes a break.
In this version, The 100 killed both her parents, but Rhosyn was now revealed to have, at age 12, fought back and mutilated their murderer, Mr. Quince, cutting his hand off.
Rose and Thorn appeared in September 2019 as part of the relaunch of the Legion of Superheroes under Brian Michael Bendis and Szymon Kudranski.
In this story, Rose is immortal (though she did not notice until they stopped making the medicine she took to suppress her Thorn persona, as the condition was now genetically corrected at birth).
She goes to an aged Supergirl for help, but apparently does not receive it as her Thorn personality is later seen going on a murderous rampage against the criminal element in Neo Gotham.
She lives on Earth unaging for over 1000 years, encountering a number of other prominent future characters including Batman Beyond and Kamandi.