Red Lava Rock
It has a multi-purpose functionality in many different types of garden and landscape design settings. Lava rock has several properties which endear it to landscape design artists. Its lightweight properties, resistance to color fade, its abaility to serve as a source of natural insulation for fragile plant roots as they grow, its ability to control weeds and its resistance to being displaced by weather or foot traffic. Sold in 5 cu ft bags.