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.

Follow the manufacturer s instructions and install it on your roof top. Planting a green roof finally it s time for the plants. Put 1 inch of soil or a compost soil mix on top of the underlayment system. 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.

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. 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 prefers sandy soil and dry conditions and the plants produce long stems of white or pink flowers throughout the summer.

Purchase an underlayment system from a green roof dealer. It will include a type of moisture barrier layers of insulation filter fabric and drainage protection. Taking cuttings or sowing seed to grow on and transplant will of course be cheaper still. 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.