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Landscape boulders, especially porous stones like sandstone or granite, can crack or break over time. Cracks occur when water seeps into the surface of the stone and freezes. The risk is highest when it rains during the day and temperatures freeze overnight since the moisture has time to penetrate deeper into the rock before expanding.

There are a few factors to consider when choosing the right size river rock for a landscaping project. First, think about how you’ll use the rocks. For example, if you’re installing them as part of a water feature, medium-sized stones (ranging between 2 and 5 inches) often work best. Smaller rocks (from 1 and 3 inches) are better for walkways and pathways, while a mix of medium and large stones (between 3 and 8 inches) is ideal for garden beds.

If your mulch delivery company or landscaper installs mulch around multiple spots in your yard (especially if they are more complex areas), feel free to tip up to $15 a person. However, there's no need to tip for a standard mulch drop done in your driveway or on a tarp.

This will depend on the depth of the structure. For a landscape, patio, or walkway that’s around 2 inches deep, a ton of gravel will cover around 100 square feet or about 0.6 cubic yards. However, if you’re building a driveway, which should be a minimum of 12 inches deep, you’d need about 6 tons of gravel to cover the same area.