Participating regularly in the Arena rewards you with specialized mints and seasonal seed packets to unlock premium plants entirely for free.

In Plants vs. Zombies 2 , leveling up plants is achieved by collecting specific "Seed Packets." These packets are earned through gameplay, daily challenges, and special events. As plants reach higher levels, their stats improve significantly, often including:

I tapped the Almanac. Every single silhouette, from the rarest plants to the toughest

If you don’t want to risk your account, consider these alternatives that simulate the "all plants max level" experience: