Being the easiest Survival Mode level, it is open to a wide variety of strategies.
The big action takes quite a while to develop. By this time, the player will have filled out most of the lawn with plants and started planting upgrade plants if they chose them at the end of the wave.
As with any Survival level, a good defense is the key to finishing the level. Pumpkins and Tall-nuts are not necessary at this point, as a simple Wall-nut does the trick.