Semi Intensive Green Roof Plants

Semi intensive intensive plants greengrid is a registered trademark of weston solutions inc.

Semi intensive green roof plants.

In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. Try dry habitat perennials and ornamental grasses such as rudbeckia achillea potentilla armeria dianthus helictotrichon sempervirens stipa tenuissima and even bulbs such as muscari or small allium species such as allium flavum and a. They come in different sizes and a variety of species depending on where your project is located. 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.

Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. Grasses add texture and motion to the roof landscape and a habitat for birds and insects as they do in a traditional landscape. A typical growing medium depth for a semi intensive green roof is 6 to 12 inches. Depth of growing medium is typically 6 to 20 inches and can be planted with a large variety of plants.

Because this is the semi intensive level of the roof a variety of grasses bulbs and annuals were planted in the growing media mounds. The greengrid system is a proprietary technology of weston in the u s. Plants for intensive and semi intensive green roofs. This system is able to retain more stormwater than an extensive system and provides the potential to host a richer ecology.

Dedicated irrigation system variable annual fertilization and advanced horticultural care. Typical sizes include quarts 12 per flat 3 24 per flat 38s 38 per flat and 72s 72 per flat. These vegetative green roofs are considered semi intensive due to the landscape design coupled with increased levels of maintenance.