Get matched with top mulch and topsoil pros in Saint Francis, KS

Yes, and in many cases, you should. Large gravel works best as a base layer because it improves drainage and keeps the surface stable. A top layer of smaller gravel fills in gaps and creates a smoother, more compacted surface. This combination is common in driveways and high-traffic areas where both stability and comfort matter.

Yes, it is possible to add too little mulch. Anything less than 1 inch will likely result in too little coverage around your plants, allowing weeds to grow through and minimizing the positive effects that a deeper bed of mulch would have, like maintaining proper soil moisture and insulating the ground.

The depth of your decomposed granite depends on its intended use, but around 3 to 4 inches is the most common depth. Driveways that need to support a lot of weight should be at a depth of no less than 6 inches. Walkways that won’t see a lot of weight but lots of foot traffic should be built at a depth of 3 to 4 inches, and patios should also be between 3 and 4 inches deep.

Among the most common types of gravel are pea gravel, crushed stone, marble chips, jersey shore gravel, and base gravel. Gravel has different densities depending on whether it’s wet or dry or mixed with sand.