pvz help

Step 1 : Goto 
Level : chomp town -- crazzy difficulty --- Only two partners
Play with two players. One should be a fire plant and the other an ice plant ( fire pea and ice pea should work)
Plant pots with a 1:1 ratio of fire and ice plants eg fire snapdragons and ice peas 
Plant 2 bamboos near garden and 1 heal flower 
Die around wave 5 on purpose

Step 2 : Goto 
Level : Suburbia -- easy difficulty -- only two partners
Be regular peas 
Plant only scaredy shrooms
Level up in between the game itself. ( should help ) 
See the game through ie win it