Green Roof Planting Grasses

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.

Green roof planting grasses. 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. It will include a type of moisture barrier layers of insulation filter fabric and drainage protection. For intensive green roof. 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.

An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes. Follow the manufacturer s instructions and install it on your roof top. Put 1 inch of soil or a compost soil mix on top of the underlayment system. Taking cuttings or sowing seed to grow on and transplant will of course be cheaper still.

On smaller scale green roofs species with excessive vigour such as couch grass cynodon dactylon and kikuyu pennisetum clandestinum should be avoided. Planting a green roof finally it s time for the plants. Perfect for a green roof because it adapts well to harsh conditions sea thrift is a grass like plant commonly found on the coast. Shrubs to one metre in height are best used in substrate depths of 250 mm or more.