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Most landscape boulders weigh approximately 150 pounds per cubic foot, though this can vary slightly depending on the specific stone type. This substantial weight explains why professional installation is often recommended, as even modestly sized boulders can be challenging to maneuver safely. 

When planning your project, consider that a standard pickup truck can safely transport only a few medium-sized boulders before reaching weight capacity limits.

The appropriate boulder size depends on your property's scale and your design objectives. Average residential properties often work well with boulders in the 24 to 36-inch range, providing visual impact without overwhelming the space. Compact yards benefit from smaller 12 to 24-inch specimens that add texture without dominating. Larger properties can accommodate statement pieces of 48+ inches that create dramatic focal points in expansive landscapes.

The timeline for landscape boulder installation ranges from a single day to several days, depending on project scope. Simple arrangements with a few medium-sized boulders might be completed in just hours. More extensive projects involving multiple large boulders, site preparation, and complementary features can extend to a week or more. 

Weather conditions significantly impact scheduling, as wet ground can complicate equipment access and placement stability.

Self-installation is feasible for smaller boulders under 200 pounds if you have appropriate tools and basic landscape knowledge. For larger specimens, professional installation is strongly recommended due to safety concerns and equipment requirements. 

Improper handling techniques can result in personal injury or property damage. For comprehensive landscape designs or challenging site conditions, professional expertise ensures proper placement for both aesthetic appeal and long-term stability.