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When a project transitions from design to construction, it may seem like the landscape architect's job is complete. In reality, this phase is where their continued involvement becomes essential. While contractors work from design drawings and specifications, retaining the project landscape architect during construction helps ensure the finished landscape not only looks great on opening day, but also thrives for years to come.
Landscape architects provide critical guidance and oversight throughout the construction process, helping prevent common issues that can compromise a site’s visual appeal, ecological health, and long-term performance.
Key Areas Where Landscape Architects Add Value During Construction
Soil Quality and Preparation - Healthy plant growth starts with healthy soil. Landscape architects understand the specific soil conditions required for the success of their plant palettes and write minimum soil specifications into the construction documents. During construction, they should review soil test results and proposed amendments before any material is delivered or spread. They also inspect planting areas for compaction, often caused by heavy machinery, which can hinder root growth and cause future drainage and irrigation issues. Plant and Tree Selection - A successful landscape depends on the quality of its plant material. Landscape architects specify American National Standards Institute (ANSI) compliant nursery stock to ensure plant health and longevity. When plants arrive onsite, the landscape architect inspects them for damage, disease, structural issues, or root problems such as girdling. If needed, they can reject substandard material and request replacements. For high-visibility projects or specialized installations, they may even select plant stock directly from the nursery to meet precise aesthetic or horticultural requirements. Planting and Irrigation Oversight Detailed planting and irrigation guidelines are provided in the construction documents, and adherence to these is key to the site’s success. The landscape architect ensures plants are spaced properly, planted at the correct depth, and receive adequate irrigation coverage. Their inspections help prevent long-term maintenance issues and can identify any planting damaged during construction, simplifying replacement during the contractor’s warranty period.