Green Roof Plants For Dry And Cold
Succulents particularly colourful sedums dominate shallow substrate green roofs across temperate europe and north america.
Green roof plants for dry and cold. Rooftops are tough place for plants. The right green roof plants for your project will depend on where you live. Muscari is a classic plant of the turkish mountains they re covered in snow throughout the winter and experience the anatolian summers and as such is a great option for green roofs. It can grow in any soil type and can tolerate a few hours of shadow a day.
Sedum spurium this is another perfect groundcover an herbaceous and deciduous plant with beautiful colors depending on the cultivar. For decades green roofs have been planted with sedums e g. Many bulbous plants are adapted to suffer extreme cold and extreme heat. In florida with 5 inches of media the following species are being tested.
Most types of grass need a significant amount of watering and care and aren t very suitable for green roofs and cold climates. Non native alpines and bulbs such as crocus and dwarf iris can be planted too. Their low growing and or spreading habits great drought tolerance seasonal flowers and contrasting foliage colours textures and forms make them ideal candidates for green roofs. Sempervivum plants are ideal for cold climates since they don t need a lot of sun exposure.
Gaillardia pulchella liatris spicata sisyrinchium atlanticum coreopsis grandiflora helianthus debilis licania michauxii phyla nodiflora muhlenbergia capillaris arachis glabrata and salvia coccinea. However there are a couple of types that are and they can make a great addition to your roof garden. They re vulnerable to intense heat cold wind and drought plus they can t support a lot of weight so the plants need to grow in just a few inches of. They come in a range of colours and can spread easily.
Roof plants need to withstand heat cold and rain. Spurium but there are few publications on the flora s basic physiology and water use efficiency. As a result the best plant options are those that tend to grow naturally in inhospitable areas like mountains cliffs or deserts. Miniature bronzed leaves and pink burrs of acaena microphylla.
Plants growing on rocky outcrops or in talus scree and sand thrive in shallow well drained soil and with little protection from wind sun and cold. It is important to note that not all species living in these habitats are suitable for planting on a green roof.