A tray for growing a plant, especially an orchid, with multiple compartments for holding a respective planting pot is provided. The tray comprises at least one fastening means for securing the planting pot. The compartments each have a lower compartment portion designed to receive entirely the planting pot to be inserted, and a respective upper compartment portion comprising the fastening means is formed at least by a compartment wall which is impenetrable to the root system, in particular non-perforated, as well as a system for growing a plant.