To provide a mat for growing lawns enabling easy performance of water management of raising plants, and lightweight allowing easy performance of setting, transferring and removing work.

This lawn vegetation mat has a rubber chip mat made by bonding rubber chips with each other followed by forming in a square plate-like shape, a thin soil layer formed on the rubber chip mat, and a lawn sheet planted on the thin soil layer. The rubber chip mat has at least on one surface, a recessed groove crossing the surface.