Focus on keeping the elements lightweight but water retaining.
Roof made of plants.
The heart shape foliage on the shrub or small tree which can reach 10 feet tall and is hardy in zones 4 8 is interesting too.
A deciduous shrub with a funky common name harry lauder s walking stick corylus avellana contorta twists itself into seemingly unfathomable shapes that are good sculptural plant accents to a rooftop garden.
Most grasses would fail on a living roof unless they were watered constantly in the summer.
This can be made out of timber while off the shelf installations are typically metal.
10 great plants for a living roof succulents.
The plants added to this level are specially made to fit the roof.
A green roof is simply one that fosters the growth of vegetation.
Use a mixture of organic and inorganic materials.
Plants for extensive green roofs.
There are a number of types of living roof ranging from the one i ve made enough for some simple grass plants and anything else that comes along right the way to full on living garden worlds with trees ponds and more this isnt what we re after.
These plants are essential to roof levels because of the slope of the roof.
These include the cabbage pult kernel pult and melon pult which are all lobbed shot plants.
Sedums are one of the star plants for creating a green roof and a sedum roof needs no extra growing medium.
It is made of a waterproofing layer a root barrier a drainage system and growing medium for the plants.
For example due to the slope of the roof catapult plants must be used.
Plants for extensive green roofs should have low growth height rapid growth spreading and fibrous roots that have high drought tolerance.
As well as affording excellent ground cover this hardy easy to maintain plant grows happily in a shallow layer of substrate minimising the amount of pressure it puts on a structure.
Green roofs of creeping plants and herbs need some sort of frame around the perimeter to hold everything in place.
Think of a green roof as a lasagne of ingredients.
Roof growing mediums are usually fabricated from variances of primarily expanded shale perlite coconut husk and or peat moss.
Succulents such as sedum are often chosen for extensive green roofs because they withstand harsh conditions and minimize water loss.
These are the mainstays of any green roof and should form the bulk of the planting unless provisions are.