User blog comment:Zombieman1350/Last Stand Screenshot Puzzle 2/@comment-26531060-20130207032658/@comment-5792287-20130207103840

Lily Pads are planted first, then Tall-nuts, then Pumpkins, then Magnet-shroom, then Gold Magnet and finally the Marigolds are planted. The first half are the first 38 plants by my calculations, which means that Lilies, Tall-nuts, Pumpkins and Magnet-shrooms are the first half.