I started 44-cell tray of Echinacea angustifolia several weeks ago. I noticed the other day that a seedling in one of cells has three cotyledons:
Is that normal?
This is a cell with two "normal" seedlings:
Note: You probably noticed that root and cotyledons of some of seedling lifted its seed in the air. That is, I gather, a normal consequence of shallow seed placement, not directly related to this question.