So I've been so wrapped up in the new expansion that I missed a day of plant tending. I decided to put all my plants into secured chests until I could tear myself away from puzzles and new areas (ooh shiny!!). Yesterday, I decided to keep growing my quest seeds to sell on my vendor so I took those plants out of the chest and locked them down on my floor. I just checked them and they all have the red ! in the growing slot. They should have gone through a growth check already.