Board Thread:Plants vs. Zombies Heroes/@comment-26239911-20170622114417/@comment-5366868-20170625170320

You might be right, by "when evolved" it could mean when the plant/zombie is evolved (aka the old plant/zombie it was). The problem here is, Gloom-Shroom says it does 1 damage here and next door when unevolved so it proabbly isn't the case.