Roof Garden Soil Depth

Rooftop lawns are semi intensive green roofs with a total depth of at least 8 inches.

Roof garden soil depth.

It supports the growth of the plants by providing the basic nutrients. B extensive medium depth roof garden system a medium depth planting system soil depth of 4 to 8 where recommended plants include sedums herbs grasses and other vegetation which can grow in this depth of media. The targeted saturated weight of roof top growing media should be 48 65 lb ft 3 3 4 kg m 3. Soil s saturated weight can reach 120 lb ft 3 7 5 kg m 3 which is far too high for roof gardening.

If you re considering a rooftop garden there are a couple of directions you could go in. Once you are set up rooftop gardening is similar to container gardening. Stable structure for anchorage of plants root systems. Proper soil selection is critical to the long term benefits of the living roof.

The following are some of the characteristics of the soil for the green roof. Fully planted green roofs where the roof is covered with soil and the plants are in the ground make great environmental sense but they are too difficult for homeowners to undertake on their own.