Green Roof Planting Grasses

It will include a type of moisture barrier layers of insulation filter fabric and drainage protection.

Green roof planting grasses.

Shrubs to one metre in height are best used in substrate depths of 250 mm or more. 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. Follow the manufacturer s instructions and install it on your roof top. Their rhizomes can be invasive and may damage waterproofing membranes.

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. 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. Taking cuttings or sowing seed to grow on and transplant will of course be cheaper still.

Put 1 inch of soil or a compost soil mix on top of the underlayment system. Perfect for a green roof because it adapts well to harsh conditions sea thrift is a grass like plant commonly found on the coast. 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.