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.

Perfect for a green roof because it adapts well to harsh conditions sea thrift is a grass like plant commonly found on the coast. For intensive green roof. It prefers sandy soil and dry conditions and the plants produce long stems of white or pink flowers throughout the summer. Planting a green roof finally it s time for the plants.

Follow the manufacturer s instructions and install it on your roof top. 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 will include a type of moisture barrier layers of insulation filter fabric and drainage protection. Purchase an underlayment system from a green roof dealer.

An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes. 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. On smaller scale green roofs species with excessive vigour such as couch grass cynodon dactylon and kikuyu pennisetum clandestinum should be avoided.