Carex nigra is technically considered a sedge and is often used on living roofs because its roots require less soil than most other grasses or grass like plants.
Lightweight plants for flat roofs in dry colorado climates.
It is hardy in zones 4 8 and reaches just 10 inches tall.
Flat roofs are an ancient form mostly used in arid climates in some places allowing the roof space to be used as a living space.
Installation of plants on the top of roofs is an effective solution to overcome this problem.
Hot dry climate you will need to be careful of the plants you select but overall many forms of cold hardy carnivorous plants will grow well for you.
Quick growing annuals and ephemerals particularly those originating from dry and arid climates can be spectacular additions to display plantings but will need irrigation to be sustained for longer periods.
A growth substrate of laterlite agri expanded clay mixed with other components peat compost etc offers many advantages.
Certain grasses sage and plants of the composite family like asters daisies zinnia black eyed susan or chamomile and marigolds are possible.
Ornamental grasses hardy with few maintenance needs and year round structure to boot are a good fit for rooftop gardens and blue fescue festuca glauca can be used in containers in a border or as an edging plant.
Plants also improve air quality by releasing oxygen.
You won t need to water established russian sage too much as it likes dry soil but water moderately when plants are young or transplanted.
Russian sage prefers well drained soil and a lot of sunshine.
Professionals install a waterproof membrane over the roof surface so that water does not affect the structure of your house.
Heat gets absorbed in dark materials used in the exterior of houses.
If you have a shady terrace facing north look for varieties of ferns and other shade loving plants like english ivy impatiens and balsams.
Grow plants in very large pots for better heat protection.
It improves the chemical and physical characteristics of the.
These will include flytraps many forms of the sarracenia pitcher plant and sundews from the southern regions of the united states.
For a green roof to function correctly selecting the correct substrate is fundamentally important for minimising the load on the structure of the building and for ensuring the long term health of the plants.
Although it s not a native colorado plant it prefers a dry climate so it s good for xeriscaping.
