User blog comment:PvZ/Survival Endless Setup/@comment-50.103.35.217-20120812033508/@comment-174.100.23.121-20120814012122

Doubling, or, in this case, quadrupling up on Winter Melons usually is not a good idea since regular Melon-Pults do the same amount of damage but the freezing effect is included in the splash damage. It is much more efficient to have just one Winter Melon per row.