Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof.
Herbs extensive green roof plant list.
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.
Mat forming species of sedum sempervivum and moss are good choices.
These require irrigation and a substrate depth of at least 200 mm.
Types of green roofs.
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.
Salt tolerance of common green roof and green wall plants.
Some green roofs are constructed specifically to support sports turf.
Green roofs are internationally placed in three different types.
This is where a living roof crosses over to become an herb garden.
15 to 50 per square foot.
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.
Many of the most common culinary herbs happen to grow in dry rocky places making them ideal candidates for a green roof.
Intensive parks and gardens including urban agriculture semi intensive garden green roofs extensive natural low maintenance green roofs blue gr.
Many other sedum species can also perform well.
The plants chosen must be appropriate for the roof type extensive intensive or semi intensive.
With all this in mind here are ten of the best green roof plants to choose from.
Many species of sedums grow well on green roofs in minnesota.
Common sedum species used include sedum acre s.
Try dry habitat perennials and.
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.
An extensive green roof has a soil depth of three to six inches.
Plants for green roofs.
Climate clearly plays a major role in choosing the best plants for a green roof.
Vegetables are the other main group of annual plants used on green roofs.
For a conventional roof.
It is not meant to be a complete list.
This list features a selection of plants that are available in many parts of the country.
Of course there is some cross over between the categories.
Along with the makeup and depth of the growing medium selecting the right plants is crucial to the success of a green roof.
Green roof plants should also be attractive and offer food and shelter for wildlife.
Album delosperma could be tried in a sunny frost free area.
