Plant Material For Green Roofs

Succulents such as sedum are often chosen for extensive green roofs because they withstand harsh conditions and minimize water loss.

Plant material for green roofs. Green roofs of creeping plants and herbs need some sort of frame around the perimeter to hold everything in place. Plants are available as starter plants plugs or in larger containers 4 and bigger. This can be made out of timber while off the shelf installations are typically metal. The ideal extensive green roof medium consists of a balance of lightweight well drained materials possesses adequate water and nutrient holding capacity and will not break down over time.

Think of a green roof as a lasagne of ingredients. Media composition and depth have a major impact on plant selection for green roof systems. These are the mainstays of any green roof and should form the bulk of the planting unless provisions are made for the roof to support soil deeper than the 3 to 4 inches that is typical.