High-Performance Structural Soils for Modern Infrastructure!
Structural Soil
Structural soil is an engineered blend of 40–75mm (1.5”–3”) clear blasted rock, premium soil, and stabilizing materials designed specifically for urban tree planting and load-bearing landscape applications.
Commonly used beneath sidewalks, roadways, parking lots, plazas, and boulevard tree installations, structural soil helps reduce infrastructure damage caused by root expansion while still providing an environment that supports healthy tree growth and long-term root development.
Unlike conventional soil blends, structural soil contains large structural aggregates that create a stable load-bearing base capable of supporting pavement and hardscape surfaces. The void spaces between the stone allow soil and oxygen to remain available to plant roots, encouraging healthier and more sustainable urban landscapes.
Structural soil systems are ideal for:
- Boulevard & Street Trees
- Sidewalk & Streetscape Projects
- Parking Lot Landscaping
- Urban Infrastructure Developments
- Commercial & Municipal Landscapes
- Public Parks & Plaza Installations
- Green Infrastructure & Stormwater Applications
Premium Soils offers a variety of engineered soil blend options that can be incorporated into structural soil systems to meet project-specific engineering and municipal specifications. Custom formulations are available to accommodate drainage, compaction, organic content, and planting requirements.
Available in Bulk Only.




Gabion Basket Mix
Gabion Basket Mix
New for 2026, our custom-order Gabion Mix is specifically designed for planted gabion systems, riparian benches, retaining walls, and structural landscape applications requiring both drainage and vegetation support. Developed to meet engineer specifications this blend combines approximately 70% graded gabion stone with 30% sand-based topsoil to create a stable, permeable growing medium for planted gabion installations.
The gabion stone component utilizes hard, durable, abrasion-resistant rock typically ranging from 100mm to 200mm with no fines, providing excellent drainage, erosion resistance, and long-term structural stability. The integrated topsoil component supports the establishment of shrubs, grasses, and riparian plantings while maintaining permeability and structural performance within the gabion system. The soil component can also be customized or adjusted to meet specific project, consultant, municipal, or engineered soil specifications.
Ideal for riparian restoration, slope stabilization, retaining walls, bioswales, and naturalized landscape applications where both structural integrity and vegetation performance are required.
• Custom-order engineered blend
• Approximately 70% graded gabion stone / 30% topsoil
• Uses durable structural-grade gabion rock
• 100mm–200mm stone sizing with no fines
• Excellent drainage and structural stability
• Supports riparian and landscape plantings
• Ideal for retaining walls, riparian benches, and erosion control
• Soil component can be tailored to project specifications
Custom Blend Available in Bulk Only – minimum quantities apply.

