The ultimate goal of the trial is to develop a diverse and extensive list of recommended plants for green roof cul.
Herbs extensive green roof plant list.
Green roofs and to trial untested plants for their adaptability to this environment.
Intensive parks and gardens including urban agriculture semi intensive garden green roofs extensive natural low maintenance green roofs blue gr.
Plants for green roofs.
Many of the most common culinary herbs happen to grow in dry rocky places making them ideal candidates for a green roof.
Fol lowing an initial five year evaluation phase new trials of uncommon and or untested plants will continually cycle into the green roof gardens.
The list below shows some of the most common species.
8 to 20 per square foot.
Vegetables are the other main group of annual plants used on green roofs.
Along with the makeup and depth of the growing medium selecting the right plants is crucial to the success of a green roof.
With all this in mind here are ten of the best green roof plants to choose from.
Mat forming species of sedum sempervivum and moss are good choices.
Green roof plants should also be attractive and offer food and shelter for wildlife.
Many species of sedums grow well on green roofs in minnesota.
Non native succulent species appropriate for extensive green roofs in minnesota.
Many other sedum species can also perform well.
This list features a selection of plants that are available in many parts of the country.
It is not meant to be a complete list.
The plants chosen must be appropriate for the roof type extensive intensive or semi intensive.
Types of green roofs.
Ferns such as polypodium vulgare and asplenium trichomanes could be used in dry shady conditions.
Salt tolerance of common green roof and green wall plants.
15 to 50 per square foot.
This is where a living roof crosses over to become an herb garden.
These require irrigation and a substrate depth of at least 200 mm.
Album delosperma could be tried in a sunny frost free area.
For a conventional roof.
Of course there is some cross over between the categories.
Some green roofs are constructed specifically to support sports turf.
Common sedum species used include sedum acre s.
Try dry habitat perennials and.
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.
An extensive green roof has a soil depth of three to six inches.
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.
