Board Thread:Plants vs. Zombies 2: It's About Time/@comment-5052376-20140328181833/@comment-9906728-20140422005409

Here is the properties from it.

ZoomshroomProps ZoomshroomDefault [ground, low, normal, tall] KnockbackTargetColumn POPANIM_EFFECTS_ZOOMSHROOM_EXPIRATION KnockbackEffectID POPANIM_EFFECTS_ZOOMSHROOM_KNOCKBACK
 * 1) Seconds until the zoomshroom vanishes, like a dream upon waking
 * 1) Targetted column zombies are thrown to
 * 2) Time the shroom is reconvering from teleports

[ground, low, normal, tall] -- Is a description, it doesn't mean that it grows. it tells the game how tall the plant is.