Succulents such as sedum are often chosen for extensive green roofs because they withstand harsh conditions and minimize water loss.
Green roof shrubs.
Whether you transform a shed or a gazebo a log store or a bike shelter the top of many structures can be turned into a home for plants.
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.
Sedum ternatum mossy stonecrop 8 1 qt.
It prefers sandy soil and dry conditions and the plants produce long stems of white or pink flowers throughout the summer.
Small shrubs provide cover display and habitat values and often form the bulk of plantings used on green roofs with deep substrates.
Perfect for a green roof because it adapts well to harsh conditions sea thrift is a grass like plant commonly found on the coast.
For intensive green roof.
An extensive green roof is a thin usually less than six inches lightweight system that is typically predominantly planted with succulents drought tolerant ground covering plants and grass.
Semi intensive green roofs are a heavier system with a saturated weight of 30 to 50 pounds per square foot and a growing medium of 6 to 12 inches.
We are active in green roof plant research.
Shrubs to one metre in height are best used in substrate depths of 250 mm or more.
The soil mix we like to use is 50 expanded shale 25 usda sand and 25 organic compost.
We get most of our native plants from nature by design and typically the plants below would work well in partial or full shade.
Carex pennsylvanica pennsylvania sedge 8 1 qt.
And with good planning and the right plants your green roof will establish itself as a viable wildlife community that needs only occasional intervention from you.
Save to my scrapbook green roof on shed in the garden of valerie legg and simon harding bury st edmunds suffolk.
Plants for extensive green roofs should have low growth height rapid growth spreading and fibrous roots that have high drought tolerance.
As the nation s leading supplier of plants for green roof systems since 1998 our accomplished horticulture team has more experience than any other nursery in the united states growing plants for successful green roof projects.
Founded the first green roof nursery in north america.
The greater growing depth supports a wider va riety of perennials grasses and shrubs which creates a more gardenlike land scape.
An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes.