Green Roof Systems Comparison

Ultra-Extensive

Highest benefit-to-cost ratio with minimal maintenance

Accessory Compatibility
Compatible
Maintenance Level
Watering
Stormwater Capacity
Rain
Aesthetic Complexity
Simple
Plant Diversity
Flowers
Investment Level
Cost
Semi-Intensive

Performance-focused with enhanced aesthetics and cost efficiency

Accessory Compatibility
Compatible
Maintenance Level
Watering Trowel
Stormwater Capacity
Rain Rain
Aesthetic Complexity
Medium
Plant Diversity
Flowers Plant
Investment Level
Cost Cost
Intensive

Elevated park-like spaces with hardscape, lighting, and trees

Accessory Compatibility
Compatible
Maintenance Level
Watering Trowel Pruning
Stormwater Capacity
Rain Rain Rain
Aesthetic Complexity
Complex
Plant Diversity
Flowers Plant Grass
Investment Level
Cost Cost Cost

Green Roof Systems Comparison

Feature Ultra-Extensive Semi-Intensive Intensive
Accessory Compatibility
Compatible
Compatible
Compatible
Maintenance
Low maintenance - watering
Low maintenance - watering Digging
Low maintenance - watering Digging Pruning
Stormwater
One cloud - low capacity
One cloud - low capacity One cloud - low capacity
One cloud - low capacity One cloud - low capacity One cloud - low capacity
Aesthetics
Simple landscape
Medium complexity landscape
Complex landscape
Plant Selection
Single flower type
Single flower type Plant
Single flower type Plant Plant
Cost
Low cost
Low cost Low cost
Low cost Low cost Low cost