Green Roof Plants A

Careful plant selection and maintenance is needed to ensure annuals do not become weeds on a green roof.

Green roof plants a.

Plants for extensive green roofs plants for extensive green roofs should have low growth height rapid growth spreading and fibrous roots that have high drought tolerance. These require irrigation and a substrate depth of at least 200 mm. In general roof plants have to be tougher than those growing in the ground. 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.

We are active in green roof plant research and collaborate with educational institutions and nurseries worldwide. Vegetables are the other main group of annual plants used on green roofs. Irrigation needs are stronger in the southwest and california. It can be hot dry and windy up there and weed seeds carried by wind and birds can still invade.

Founded the first green roof nursery in north america. Plant choices for green roofs of course depend on local conditions. Sedums are one of the star plants for creating a green roof and a sedum roof needs no extra growing medium. Succulents such as sedum are often chosen for extensive green roofs because they withstand harsh conditions and minimize water loss.

With all this in mind here are ten of the best green roof plants to choose from. A honeybee enjoys feeding from the flowers of sedum kamtschaticum. Standard garden thyme thymus vulgaris is another edible herb you can plant along your green roof. It tends to grow in a dry rocky location like its native mediterranean basin and the plants grow to a few inches tall with purple and pink flowers in the early summer months.

Emory knoll farms inc.