A sterilized laminated mat for growing vegetation comprising a biodegradable base fabric, a plurality of seeds adhered to the base fabric, a sterilized hydrating medium secured to the base fabric, and a cover fabric secured to the hydrating medium to maintain structural integrity of the device. The device may also comprise fertilizer added as discrete units, or as a uniform layer, to the base fabric or incorporated into the hydrating medium. The seeds, hydrating medium and cover fabric are all secured with biodegradable, water soluble organic adhesives. Preferably, all components of the device are sterilized, with the exception of the seeds if such sterilization would have deleterious effects on germination.