1 normal damage shots / 1 normal damage shots pre 2 seconds (poison effect)
Make zombie walks on it poisonous
Zombie walks on it
The Poisonweed is a passive plant that attacks, dealing normal damage and poison to any zombie that walks on it. The poison dealing 1 normal damage to the zombie each 2 second, the poison stay on the zombie for 6 seconds. They can only be planted on the ground (not even Lily Pads or Flower Pots, Freeze-o-Pots ) and does 5 attacks in the time it takes any normal speed zombie. (Faster zombies only take two hits) to pass over it. It will also pop the tires of the first Zomboni that drives over and a Catapult Zombie. Also, since the Poisonweed attacks from below, it can bypass shields.
Surbuban Almanac Entry
Poisonweeds poisons and attacks zombies walk on it