Coarse Sand Stone-Succulents and Cactus Bonsai DIY Projects Rocks, these smooth, small pebbles add a pop of natural jade color to soil, rock gardens, or even aquarium tanks. Whether you’re dressing up a black potting planter with succulents and cacti, lining an outdoor decorative gravel path, or creating a serene fish tank scene with sand and rocks, these pebbles blend beauty and functionality.
eBay