There is no list of playing characters, since the you are the gardner (player/characters), but there is a plants list based on the chapters: Day, Night, Pool, Fog, Roof.
- Day
Peashooter, Sunflower, Cherry Bomb, Wall-nut, Potato Mine, Snow Pea, Chomper, Repeater
- Night
Puff-shroom, Sun-shroom, Fume-shroom, Grave Buster, Hypno-shroom, Scaredy-shroom, Ice-shroom, Doom-shroom
- Pool
Lily Pad, Squash, Threepeater, Tangle Kelp, Jalapeno, Spikeweed, Torchwood, Tall-nut
- Fog
Sea-shroom, Plantern, Cactus, Blover, Split Pea, Starfruit, Pumpkin Magnet-shroom
- Roof
Cabbage-pult, Flower Pot, Kernel-pult, Coffee Bean, Garlic, Umbrella Leaf Marigold, Melon-pult
- Upgrade plants
Gatling Pea, Twin Sunflower, Gloom-shroom, Cattail Winter Melon, Gold Magnet Spikerock, Cob Cannon
- Others
Imitater, Explode-o-nut, Giant Wall-nut, Giant Sunflower, Giant Marigold