Semi Intensive Green Roof Plants

They come in different sizes and a variety of species depending on where your project is located.

Semi intensive green roof plants.

Due to the differences in growing medium between an extensive and intensive green roof the latter can accommodate deeper plantings with more diversity. This system is able to retain more stormwater than an extensive system and provides the potential to host a richer ecology. An intensive green roof is more like a conventional garden or park and can have virtually no limit to the plant types that can be used. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used.

Because this is the semi intensive level of the roof a variety of grasses bulbs and annuals were planted in the growing media mounds. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. A typical growing medium depth for a semi intensive green roof is 6 to 12 inches. The greengrid system is a proprietary technology of weston in the u s.

Semi intensive green roof a semi intensive green roof system is characterized by small herbaceous plants ground covers grasses and small shrubs requiring moderate maintenance and occasional irrigation. Dedicated irrigation system variable annual fertilization and advanced horticultural care. These vegetative green roofs are considered semi intensive due to the landscape design coupled with increased levels of maintenance. Plants for intensive and semi intensive green roofs.

Typical sizes include quarts 12 per flat 3 24 per flat 38s 38 per flat and 72s 72 per flat. Semi intensive intensive plants greengrid is a registered trademark of weston solutions inc. Depth of growing medium is typically 6 to 20 inches and can be planted with a large variety of plants.