The present invention relates to a tray (1) for carrying plant pots, comprising an essentially rectangular sheet (2), with an upper side (A) and a lower side (B), holders (3-8) for plant pots, provided in the sheet, a wall (9), extending from the contour of the sheet in the lower side direction, wherein at least at two opposite sides (C,D) of the rectangle, the wall has a height that increases and subsequently decreases seen in a direction from a first end to a second end of said sides. In embodiments, the lower edge of the wall is essentially straight, the wall is at least partly arched and/or the wall is at least at the two sides uninterrupted.
