The present invention relates to a container ( 1 ) for cultivating biological material, comprising a solid inert substrate ( 3 ), a growth medium and biological material arranged in or on the substrate ( 3 ), wherein the container ( 1 ) is substantially closed, wherein the volume of the container ( 1 ) is sterile and wherein the biological material comprises sowing material, and to a method and the use of the container ( 1 ) for cultivating biological material.