Sempervivum Green Roof

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.

Sempervivum green roof.

Frequency will vary by location. There are literally hundreds of varieties found growing in. Key features extensive sedum green roofs utilise drought tolerant plant species which are typically sedum species. 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.

In virginia norfolk botanical garden s green roof uses sedum delosperma and sempervivum. The filter layer on a green roof is designed to prevent soil and other substrates as well as debris from filling the cavities of the drainage membrane. Free shipping on all orders over 75. Rooftop gardens keep your abode cool in summer add a layer of insulation in winter and create funky fragrant butterfly and hummingbird filled.

Sempervivum thrive with deep infrequent watering when time is given for the soil to fully dry between soakings. Legend has it that sempervivums and their close relative jovibarba should be planted on roofs to stave off thunderbolts. Available online at mountain crest gardens. 1 16 10 great plants for a living green roof lead.

Start with about 2 3 times a week to establish young plants 1 2 times a month for mature plants in the growing season 1 2 times a month in the winter and no water if the temperature is below freezing. A modular green roof is built in sections sometimes as small as 10x20 inches in a tray or block so that they re easy to handle and assemble yet in time the plants will root into adjacent trays and make a uniform mat. Also known as stonecrop because the succulent foliage resembles smooth polished stone sedums are the royalty of living roof plants. Sempervivums flower from june to august.

Typically the total depth of the green roof would be 85 100mm 12 20mm drainage layer 70mm of substrate and have a saturated weight of approx. A selection of succulents ideal for living wall or green roof projects.