Plant Material For Green Roofs

Succulents are one type of plant that utilizes crassulacean acid metabolism cam.

Plant material for green roofs.

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. Media composition and depth have a major impact on plant selection for green roof systems. Try dry habitat perennials and ornamental grasses such as rudbeckia achillea potentilla armeria dianthus helictotrichon sempervirens stipa tenuissima and even bulbs such as muscari or small allium species such as allium flavum and a. Think of a green roof as a lasagne of ingredients.

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. Plants are available as starter plants plugs or in larger containers 4 and bigger. Green roofs of creeping plants and herbs need some sort of frame around the perimeter to hold everything in place.