Plants
Strong:
Toxic Pea
Vampire Flower
Zen Cactus
Armor Chomper
Druid Rose
Ice Citron
BBQ Corn
Weak:
Rock Pea
Metal Petal
Camo Cactus
Chomp Thing
Ice Rose
Party Citron
Party Corn
Zombies
Strong:
General Supremo
Plumber
Chemist
Tennis Star
Electro Brainz
Lil' Drake
Captain Sharkbite
Weak:
Arctic Trooper
Painter
Dr. Toxic
Golf Star
Party Brainz
Pylon Imp
Captain Cannon
Strongest:
PeaShooter: Agent
Cactus: Fire
Sunflowers: Vampire
Chomper: Fire Chomper
Corn: Mob Cob
Citron: Citron
Rose: Druid
Zombies
Engineer: AC Perry
Foot Soldier: Park Ranger
All Star: Tennis Star
Scientists: Chemist
Imp: Lil Drake
Captain Deadbeards: Sharkbite
S.Brainz: Electro Brainz
Worst
PeaShooter: Plasma
Cactus: Electro
Sunflowers: Mysterious
Chomper: Chomp Thing
Corn: Party
Citron: Party
Rose: Party
Zombies
Engineer: Landscaper
Foot Soldier: Arctic Trooper
All Star: Hockey Star
Scientists: Physicist
Imp: Imp? (Don't have Party Imp so can't say)
Captain Deadbears: None? I guess I gotta say Captain Cannon
S.Brainz: Party
