Blue Bins & Chutes
Freecycle / Give Away
Does the plant have hope of survival? Give it away! You can offer it online. There may even be takers down at your local community garden, particularly if the plant is an edible.
There is even a special Facebook group for plant giveaways: Plant Freecycling Singapore
Online Freecycle Groups
Dead already? Rescue the pot and throw out the plant.