Suitable waterproofing root barrier drainage and filter layers are necessary.
Garden wooden roof for plants to grow on.
These need 10 20cm 4 8in depth of growing medium enough to support perennials but not shrubs and trees.
To grow even more plants up pergolas trellis panels can be attached giving additional support for climbing plants.
This is where a living roof crosses over to become an herb garden.
They can be created for example on a gently sloping shed roof by building a grid of wooden cells on top of the roof and filling the cells with compost.
The main difference with a sloped roof is the addition of cross pieces perpendicular.
A typical living roof requires a border to keep the growing medium from falling off at the edges.
Selection of terrace garden plants completely depends up on the factors listed above.
Many of the most common culinary herbs happen to grow in dry rocky places making them ideal candidates for a green roof.
You ll be better off growing shade loving plants.
A mix of species helps to make the community that emerges more resilient and more interesting.
In general better to choose large containers when growing plants for terrace garden because in large containers plants grow more easily.
Ensure plants establish properly by watering for the first year after planting.
Whether it s fruit shrubs vegetables or herbs most edible plants can be grown in a container on a roof.
To stop plant roots and water penetrating the roof cover it with either a 300micron thick damp proof membrane from diy shops or a butyl pond liner from a garden centre.
Edible plants adapted to container growing.
The vegetable plants that are the best adapted to container growing are the vegetables and herbs that are grown for their leaves like chards spinach and kale.
Mops will grow up to 1m in height when planted in a large container of soil based compost.
Avoid using just one species of plant across the entire roof.
For extra shade consider adding screening in the form of curtains or a canvas cover on top.
Rosa rose roses make a good specimen in a roof container garden where the colourful blooms provide a point of interest from summer to autumn rosa flower carpet series is a spreading ground cover rose.
Taking cuttings or sowing seed to grow on and transplant will of course be cheaper still.
If your roof is painted black it will be significantly hotter than a white or silver roof black roofs in new york city can reach 170 f on a very hot day and you ll need plants that can survive such.