Ivy unveils Rose Bud. Rose Bud was a vehicle owned by Poison Ivy. History Poison Ivy used the sleek, pink convertible with a vanity plate reading "Rose Bud" as a getaway vehicle. After she teamed up with Harley, she usually drove. Ivy also had a car named "Badseed". Sightings Batman: The Animated Series "Harley and Ivy" The New Batman Adventures "Girl's Night Out" Retrieved from "https://dcau.fandom.com/wiki/Rose_Bud?oldid=177001" Categories: A to Z Automobiles Community content is available under CC-BY-SA unless otherwise noted.