Read the title before posting, please.
There’s a prop that has a shovel partially in the ground. You could also add dirt and rocks to the scene. Maybe you could use those?
Maybe you could some buckets filled with dirt and as @wingwave said, put a shovel sticking in the dirt. You can also make an item spawner and make it spawn a teal seed because the color is quite similar to a rock and cover up the spawner with dirt or a rock