Antarctic-shroom is an upgrade of Himalaya-shroom. It is the same as its pregrade but its freezing effect never wears off.
Cost: 275☼ (+250, +25)
Recharge: Extremely slow
Toughness: 100 bites (each zombie only does 1 damage bite to it meaning 1 from each zombie that tries to eat it.)
Special: Freezes 100 zombies while the freezing never wears off.