The compendium is divided into three distinct volumes based on plant functional groups:
: The physical 3-volume compendium is available at major retailers like Books Kinokuniya or the specialist bookstore NHBS . Compendium Overview 1001 garden plants in singapore 4th edition pdf
The 4th edition introduces a refined hardiness scale specific to the Straits region. It ranks plants from "Foolproof" (like the Snake Plant) to "Expert Only" (like certain orchids requiring specific ventilation). The compendium is divided into three distinct volumes