- Found in random locations in the Laboratory. Sometimes sold by Joel Dirt.
- Often sold by Javier Wimsatt.
- Found randomly in lootable containers (closets, trash cans, luggage, etc.).
- Found in debris piles in the sewers and the jungle.
- Found randomly on corpses and Walkers / Infected.
- "Dreamtime": Deliver five Oleander flowers to a native warrior in the Native's Camp.