Abstract: A carrier for growing trays, comprising a series of legs and a supporting surface carried thereby, wherein: in said supporting surface, adjacent at least a number of and preferably each of the legs, an opening is provided, such that the carriers in a storage position are stackable in nested position, with a number of legs of one or more upper carriers reaching into at least a number of said openings of a lower carrier, and the supporting surface determines at least one outer contour, while the legs extend at least partly outside said outer contour, such that two carriers in a position of use are stackable, with the legs of an upper carrier resting on the legs of a lower carrier.