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.
Roof garden with shade.
But if nearby buildings are tall the garden can be in shade all day which is too dark for many plants or quickly switch from deep shade to intense sun.
In virginia norfolk botanical garden s green roof uses sedum delosperma and sempervivum.
Rob cardillo green roofs have become natural fits for many public buildings as well thanks to large scale environmental and financial benefits such as energy efficiency storm water management sound insulation and the development of.
First consider the climateon a roof which is more severe than on the ground.
Soft lighting fans and misters help cool off diners on hot nights.
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.
Its blue green leaves offer rich deep color and are big enough to cut as foliage for bouquets perfect for multitasking rooftop gardening plants.
But the shade plants in the rooftop garden reduced the heat flow thereby reducing the average daily energy demand to less than 1 5 kwh 5 100 btu a savings of over 75 percent.
It s often quite windy in summer and very sunny and hot.
Designing a luxury rooftop terrace.
Integrating impressively sized hosta into shadier spots on a rooftop garden is a terrific way to add beautiful foliage to the space.
Hosta big daddy hardy in zones 3 8 is just one choice.
Create layers to keep your garden interesting.
Toward the back of the house another butterfly shaped structure echoes the front one creating a covered courtyard dining room.
Many shade gardens feature relatively low perennials such as hosta bleeding heart and astilbe underneath a canopy of tall trees.
The architectural benefits of green roofs in addition to energy savings roof gardens have a beneficial effect on roofs themselves.
A cantilevered steel butterfly shaped shade structure was installed on the flat roof which also absorbs and redirects the sun s intensity.