8 to 20 per square foot.
Herbs extensive green roof plant list.
These require irrigation and a substrate depth of at least 200 mm.
Some green roofs are constructed specifically to support sports turf.
Along with the makeup and depth of the growing medium selecting the right plants is crucial to the success of a green roof.
Non native succulent species appropriate for extensive green roofs in minnesota.
Climate clearly plays a major role in choosing the best plants for a green roof.
Ferns such as polypodium vulgare and asplenium trichomanes could be used in dry shady conditions.
Mat forming species of sedum sempervivum and moss are good choices.
Green roofs are internationally placed in three different types.
Many species of sedums grow well on green roofs in minnesota.
15 to 50 per square foot.
Many other sedum species can also perform well.
Common sedum species used include sedum acre s.
Salt tolerance of common green roof and green wall plants.
When choosing plants for a green roof they need to be able to withstand wind and frost be drought resistant tolerate living in poor soil and be maintenance free.
Intensive parks and gardens including urban agriculture semi intensive garden green roofs extensive natural low maintenance green roofs blue gr.
Fol lowing an initial five year evaluation phase new trials of uncommon and or untested plants will continually cycle into the green roof gardens.
Green roofs and to trial untested plants for their adaptability to this environment.
An extensive green roof has a soil depth of three to six inches.
Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof.
Of course there is some cross over between the categories.
Plants for green roofs.
It is not meant to be a complete list.
This is where a living roof crosses over to become an herb garden.
A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq.
With all this in mind here are ten of the best green roof plants to choose from.
For a conventional roof.
Vegetables are the other main group of annual plants used on green roofs.
Try dry habitat perennials and.
Green roof plants should also be attractive and offer food and shelter for wildlife.
The list below shows some of the most common species.
The ultimate goal of the trial is to develop a diverse and extensive list of recommended plants for green roof cul.
This list features a selection of plants that are available in many parts of the country.
Album delosperma could be tried in a sunny frost free area.