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Gravel driveways require regular maintenance because the material can shift over time. Routine tasks include raking the gravel to ensure an even layer, filling in ruts or low spots, and removing debris, especially after storms. You should also add fresh gravel as needed to prevent potholes, remove weeds by hand or with an herbicide, and occasionally spray the driveway with water to reduce dust.

Periodically, you may need to grade and level the entire driveway, which is often done every few years. Any refilled potholes should be compacted; for excessive dust, you can use a mechanical compactor. To minimize future maintenance, ensure the land is properly graded before installation and consider laying down landscaping fabric to help keep the gravel in place. In areas with heavy rain, reinforcing the edges can help prevent erosion. Additionally, it's best to avoid using a snowplow on a gravel driveway during the winter.

Generally, it is not necessary to remove old mulch before applying a new layer. As organic mulch breaks down, it enriches the soil with nutrients. However, you should remove the old layer if it shows signs of fungus or disease, which can be common in moist areas, or if the total depth is already too thick. Avoid letting the total mulch depth exceed 3 inches, as this can harm plant roots. If you do remove old, disease-free mulch, it can be added to a compost pile.

Mulch is best used in garden beds and yards, not in your driveway as pothole filler. It is meant to stimulate plant growth. Upon repeated pressure, it turns into compost, which also serves as fertilizer for weeds to take over. The roots will then break into your driveway, leading to more material loss and structural collapses.

When it rains, decomposed granite can become muddy and mushy in texture and start to wash away, leading to erosion of the surface. Decomposed granite’s inability to endure heavy rainfall is one of its biggest drawbacks.