Board Thread:Plants vs. Zombies 2: It's About Time/@comment-25154254-20150403114523/@comment-25912702-20150403235820

I think Gold Tile Turnip might be(sorry if this is the second time you've seen me suggest this):

Horseradish: (-Tile Turnip Mechanics- sun/recharge: slow) Creates a tile that doubles the plant's action rate.