Green Roof Soil For Sedums

Because they thrive in well drained soil all stonecrop sedums can be planted in sandy soil in rock gardens crevice gardens raised beds green roofs hillside slopes and succulent containers that have drainage holes.

Green roof soil for sedums.

An all purpose soil less peat free potting mix is fine for growing herbs and other edibles but mix in plenty of perlite to both improve drainage and save on weight. Album delosperma could be tried in a sunny frost free area. Ruderal creepers like sedum album acre and sexangulare these are fast to establish themselves on the roof. Regardless of which type of soil you decide to use a mulch of lava rock or other stone will be beneficial.

Eco roofs is a grower and supplier of pre grown green roof trays pre vegetated sedum mats plants plugs cuttings and all of your other green roof supplies. Some green roof builders have concerns that the lava rock could potentially puncture the liner but if applied correctly this shouldn t be a problem. Try dry habitat perennials and. Is the pacific northwest regional distributor of liveroof brand green roof systems.

Sedums used on green roofs can broadly be separated into four different classes. Ferns such as polypodium vulgare and asplenium trichomanes could be used in dry shady conditions. Sedum plant growth types. An extensive green roof or sedum roof is a roof with vegetation that is more or less self perpetuating and that can further develop and maintain itself.

Roughly speaking extensive green roofs have a substrate thickness of between 4 and 15 cm and a weight of 30 to 220 kilo per m2. The leaves of sedums have built in reservoirs to withstand drought. Now comes the growing medium which for a sedum roof should be at least 8cm 3in deep and for a roof of wildflowers herbs salad and strawberries at least 15cm 6in deep. Common sedum species used include sedum acre s.

Stature and leaf size vary among the species but sedum rupestre sedum reflexum and sedum acre are ideal for roofs. The lite system is typically used on retrofit projects when the roof is engineered with only 15 to 17 pounds per sf for the green roof component. Its soil depth is a full 2 inches enough to support many low growing succulents and a limited number of accent plants. This plant flowers from june to august.

Like most succulents sedums are sensitive to wet soil which can quickly lead to root rot. Each leaf can grow into a new plant. There will be a consistent layer of soil on the roof over the liner or root barrier and once the plants. Liveroof offers the only pre vegetated hybrid green roof system that s delivered in a convenient modular format yet offers a monolithic soil layer.

With 50 years of horticulture growing experience eco roofs is uniquely positioned to be your source for green roof knowledge and experience as well as growing and providing the green. It is generally not recommended for hot climates. What kind of mulch is best. Mat forming species of sedum sempervivum and moss are good choices.