Intensive Green Roof Plants

By contrast extensive green roofs use shallower media depths less than 6 inches and require minimal maintenance.

Intensive green roof plants.

Because extensive roofs are lighter than other green roofs they require a specific type of vegetation. Semi intensive intensive plants. These roofs will have grasses ground covers flowers shrubs and even trees. Succulents such as sedum are often chosen for extensive green roofs because they withstand harsh conditions and minimize water loss.

Plants for an extensive green roof. Ice plant 4 6 12 24 multiple green summer. The green roof supports over twenty eight different plant species ranging from sedums herbaceous plants tall grasses and small shrubs creating a rich and bio diverse community for local fauna. Succulents these are exceptional plants to consider and they are used to cover an important area of green roofs.

Extensive green roofs have a growing depth of 3 to 6 inches and are typ ically lighter in weight with a saturated weight of 15 to 30 pounds per square foot. Weston 1 format word 97. Green roofs are categorized as intensive or extensive systems. Plants for extensive green roofs should have low growth height rapid growth spreading and fibrous roots that have high drought tolerance.

Green roofs are classi cally described by the depth of the growing medium extensive semi intensive and intensive. Intensive green roofs require the deepest soil and have the greatest impact on the structural design but they also accommodate all types of plantings including large shrubs and trees. They grow with little soil and practically no water. Intensive systems allow the designer to create a park like setting so they are the best option for roof gardens that will be occupied.

Phlox subulata multiple varieties moss or creeping phlox. Here is a list of 10 of the best plants in various categories that you can use. 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. Intensive green roofs are similar to landscaping found at ground level and require media depths greater than 6 inches and have intense maintenance needs.

Small succulents are low maintenance plants.