Release cocooned citizens near the Botanical Gardens.
- Travel to the Otisburg Botanical Gardens
- "There are people inside those cocoons, metamorphing into Ivy's walking pod people. We can't let her swell her army. Break them free." — Batman
- Free Cocooned Citizens (0/15) (1083 xp)
- Defeated Poison Ivy's Plant People (0/15) (1083 xp)
- "Poison Ivy used to be a botanist before she went bonkers and decided to reclaim the world for the plants. If we don't get her back to Arkham, Gotham really will be an urban jungle." — Oracle
Upon completion, Garden of Eat Em! is started.
- Professor Rhett, who starts the side mission Biotic Armor Research, is found northwest of Amusement Mile.
- Doctor Szilagyi, who starts the side mission A Twisted Web, is found southwest of the area.
- Hazmat Rhoades, who starts the side mission Seeds of Change, is found far southwest of the area, just north east of the Giordano Botanical Gardens.