Green Roof Planting Grasses

On smaller scale green roofs species with excessive vigour such as couch grass cynodon dactylon and kikuyu pennisetum clandestinum should be avoided.

Green roof planting grasses.

Put 1 inch of soil or a compost soil mix on top of the underlayment system. Ready to roll carpets of sedum are easiest but you should also be able to find plug trays of sedums and other plants sold specifically for green roofs which will work out cheaper. 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. Purchase an underlayment system from a green roof dealer.

An extensive green roof is a thin usually less than six inches lightweight system that is typically predominantly planted with succulents drought tolerant ground covering plants and grass. It prefers sandy soil and dry conditions and the plants produce long stems of white or pink flowers throughout the summer. Perfect for a green roof because it adapts well to harsh conditions sea thrift is a grass like plant commonly found on the coast. An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes.

It will include a type of moisture barrier layers of insulation filter fabric and drainage protection. Shrubs to one metre in height are best used in substrate depths of 250 mm or more. Taking cuttings or sowing seed to grow on and transplant will of course be cheaper still. For intensive green roof.