Semi Intensive Green Roof Plants

A typical growing medium depth for a semi intensive green roof is 6 to 12 inches.

Semi intensive green roof plants.

Plants for intensive and semi intensive green roofs. Because this is the semi intensive level of the roof a variety of grasses bulbs and annuals were planted in the growing media mounds. This system is able to retain more stormwater than an extensive system and provides the potential to host a richer ecology. Plugs are small plants that have been grown in a nursery and are planted into the green roof media on the roof.

They come in different sizes and a variety of species depending on where your project is located. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. The greengrid system is a proprietary technology of weston in the u s. Due to the differences in growing medium between an extensive and intensive green roof the latter can accommodate deeper plantings with more diversity.

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. Grasses add texture and motion to the roof landscape and a habitat for birds and insects as they do in a traditional landscape. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs.