Buffz & Bruisez

Buffs & Bruisez is a mechanic in Plants vs. Zombies 2 that was introduced in the 6.9.1 update. It affects certain Plant Families' effectiveness against the zombies. There are three effects; plants can be strong, weak or ineffective against zombies. Every Tuesday, the Buffz & Bruisez effects change

List of Buffz & Bruisez effects
effectiveness against zombies. It is identified by an orange down arrow in the bottom right corner of a family's icon.
 * Strong: All plants in this family have triple effectiveness against zombies. It is identified by a green up arrow in the bottom right corner of a family's icon.
 * Weak:All plants in this family have one-sixth
 * Ineffective:All plants in this family are absolutely ineffective against the zombies.