This will protect the roof of the shed from any potential water damage.
Sedum roof garden shed.
Sedum species are grown on rolls of special geo textile matting.
These need 10 20cm 4 8in depth of growing medium enough to support perennials but not shrubs and trees.
How to make an extensive roof garden.
Shed roofs are the ideal place to put a green shed and the plant of choice is the sedum which enjoys conditions provided by shallow soil.
Grown in water retaining landscape matting sedums offer excellent roof cover.
An all purpose soil less peat free potting mix is fine for growing herbs and other edibles but mix in plenty of perlite to both improve drainage and save on weight.
Sedums are hardy plants found in the wild in inhospitable places such as the cracks between rocks cliff faces and in walls.
Line the roof of your shed with a piece of plywood wrapped in waterproof butyl lining.
What others are saying.
A sedum roof significantly reduces rainwater runoff whilst lowering energy consumption.
A sedum roof is not only aesthetically pleasing all year round but also provides a habitat for a rich variety of wildlife.
How to grow yourself a living roof on your shed.
Substrate for the sedum to root to.
Lift the wooden frame into place.
You will need the following tools to fit your own green roof.
Sedum green roof only supply the best possible quality sedum mats blankets plug plants premium sedum s pod tray module and wild flower mats.
Whether it s a garden shed or a modern state of the art office building.
Now comes the growing medium which for a sedum roof should be at least 8cm 3in deep and for a roof of wildflowers herbs salad and strawberries at least 15cm 6in deep.
Tanalised timber to build a 3cm high lip around the existing shed roof.
Waterproof membrane or pond liner.
I was very taken with the enthusiasm of the team at sedum green roofs and i will be looking more into this literally.
A root barrier such as heavy duty polythene or a pond liner should be laid on top of the existing roof.