Solved
Plants didn't earned in Arena
There are lots of premium plants in PvZ 2 that are locked and the only thing that you can unlock is to collect some seed packets during the limited-time event or to purchase the unlock bundles, or wh...
All Arena featured plants are expected to be re-appeared on Penny's Pursuits quest sooner or later, I would not recommend exchanging the seeds with gems especially if your gems are on a limited supply. Just polish up your plant levels and your gaming skills to earn them from the quest, I am sure it would feel more rewarding this way.
