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The best size rock for your landscaping depends on the design, as different boulders serve different purposes. If you want to group boulders to create a natural-looking cluster, you’ll need a range of sizes. Otherwise, here are some suggestions:

• Small boulders (smaller than 12 inches across): Best for landscape edging and fire pits 

• Medium boulders (12–24 inches): Best for retaining walls and water features

• Large boulders (more than 24 inches): Best as standalone landscaping features, steps, or walkways.

Of course, you can mix and match sizes to create a unique display.

Pea gravel is the most common type of gravel, and it can be made of limestone, granite, basalt, sandstone, and many other types of rock. The strength in gravel comes from the distribution across the stones, so while one rock type may not be particularly strong (like sandstone), the matrix of small rocks that is gravel can become incredibly strong when installed correctly. 

Hydroseeding is a great option for sloped yards, as sod might not root as well. Hydroseeding also traditionally creates sprouts faster than normal seeding—up to a full week faster. Additionally, you can customize your slurry mix with hydroseed, allowing you to create a mixture that will work specifically for your yard’s conditions. 

It’s important to remember that hydroseeded lawns require a lot of water during the first few weeks of installation, which can be time-consuming and costly. Additionally, the installation window tends to be shorter than that of sod and traditional grass. 

No one likes running out of materials during a project, so calculating the right amount of gravel needed for your driveway is an absolute must. Multiply your driveway’s length by width by the depth of the gravel (in feet). For gravel depth, convert to a decimal (i.e., 4 inches is 0.33 feet). This will give you the cubic feet of material that you need. 

If you’re looking for cubic yards, divide that above number by 27.