Board Thread:Plants vs. Zombies Wiki Discussion/@comment-4009269-20140213201430/@comment-5891510-20140224210408

Itsleo20 wrote: The preminum plants now require 5-10 puzzle pieces to unlock.

EDIT: So do Coconut Cannon, Kernel-pult, Fire Gourd, Heavenly Peach, Lightning Reed and some others.

Some plants require stars, Iceberg Lettuce (1), Bonk Choy (40), Twin Sunflower (20), Bloomerang (10), White Radish (5).

Spikerock, Tallnut, Reapeater, and the Melon-Pult/Winter Melon cost coins.