The invention relates to a growth device for crop, provided with at least a casing and a core part, wherein the casing is substantially manufactured from fluid impermeable material and surrounds the at least one core part at least partly, wherein the core part comprises a growth medium or is formed therefrom. The invention further relates to an assembly of at least two of such growth devices, a cladding or construction part comprising such growth device and a method for the manufacture of growth devices.
