Green Roof Planting Grasses

Shrubs to one metre in height are best used in substrate depths of 250 mm or more.

Green roof planting grasses. It will include a type of moisture barrier layers of insulation filter fabric and drainage protection. Follow the manufacturer s instructions and install it on your roof top. 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.

Planting a green roof finally it s time for the plants. On smaller scale green roofs species with excessive vigour such as couch grass cynodon dactylon and kikuyu pennisetum clandestinum should be avoided. 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. For intensive green roof.

Put 1 inch of soil or a compost soil mix on top of the underlayment system. Purchase an underlayment system from a green roof dealer. Their rhizomes can be invasive and may damage waterproofing membranes. Taking cuttings or sowing seed to grow on and transplant will of course be cheaper still.