How IN THE WORLD DO YOU LVL UP THE PLANTS!?????? – Plants vs. Zombies™ 2 Review

This would be a fun game but do you level up the plants because used to know how to use but know idk so....yeah because I have my beautiful fire peashooter and c-c-cold snow peashooter lvl 99 both are ready to be leveled up but how do I even level them up because I do Remember a little bit but I press the level up button but never works (I thinks a glitch/bug) but please fix the bug/glitch cause I’m getting really sad ?☹️?☹️????? so I give this a 4 ⭐️ (that’s actually a lie sorry) so I give this a 5 ⭐️’s so good luck out there other people who have a bug/glitch (by awesomekiller)
Review by daring dany X on Plants vs. Zombies™ 2.