Spicorn

Spicorn is a very spiky acorn. It has the health of an Infi-Nut, and deals the damage of a pea on a zombie if the zombie bites it. Also, it blocks low flying zombies. It costs 300 sun, and is affected by Wall-Nut first aid. It's Alamnac entry says "He has gotten Wall-Nut to train him for a little bit, but Wall-Nut found him as a big thorn in his side.". It's Plant Food power makes it explode into a big flurry of spikes, with the potential to kill a Gargantuar.