Lily pad makes a plant float on water after the plant is placed on the lily pad. It costs 25 sun and recharge is fast. It's plant food makes 4 lily pads around the lily pad.
Squash
Squash squashes a zombie when it gets near the zombie. It costs 50 sun and it's plant food makes it squash 2 random zombies the goes and squashes zombies at where you planted the squash. Recharge sluggish.
Threepeater
Threepeater shoots 3 peas one in each lane it shoots in. Sun cost 300, recharge fast. It's plant food shoots a lot of peas in all lanes.
Tangle kelp
Tangle kelp can only be placed in water and pulls a zombie underwater. Sun cost 25 and recharge is slow. Plant food pulls a couple of random zombies underwater.
Jalapeño
Burns a whole lane of zombies killing all but gargantuars. Recharge slow no plant food. Sun cost 125.