Plants For Intensive Green Roofs

Climate clearly plays a major role in choosing the best plants for a green roof.

Plants for intensive green roofs.

Of 4th north american green roof conference. The plants chosen must be appropriate for the roof type extensive intensive or semi intensive. These are the mainstays of any green roof and should form the bulk of the planting unless provisions are made for the roof to support soil deeper than the 3 to 4 inches that is typical. Common sedum species used include sedum acre s.

Substrates fabrics and plant selection. Native coastal plants for northeastern extensive and semi intensive green roof trays. There are two types of green roof. Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs.

Mat forming species of sedum sempervivum and moss are good choices. Along with the makeup and depth of the growing medium selecting the right plants is crucial to the success of a green roof. Ferns such as polypodium vulgare and asplenium trichomanes could be used in dry shady conditions. Intensive green roofs are widely used on commercial buildings where owners want to have large green areas that incorporate all sizes and types of plants these roofs will have grasses ground covers flowers shrubs and even trees.

Components of an intensive green roof click for high res version intensive. Try dry habitat perennials and.