Rooftop Gardening Opens New Gardening Opportunities!
Rooftop gardening,also known as green roof gardening is one way to expand outdoor living spaces and to improve the world through gardening.
A roof top garden or green roof consists of plants on a roof. Traditionally it is as simple as putting pots on the enclosed roof space. Now the term refers to planting right on the roof which is partially or completely covered with soil and vegetation over a waterproofing membrane. A green roof garden can incorporate a pergola, arbor, terrace, garage roof, shed or children's play structure.
Container gardening and deck landscaping is a recent trend for confined space landscaping like condominiums, town houses, loft living in the United States and many other countries. Rooftop living is an exploding trend in the urban setting and is no longer limited to penthouse gardens. In most urban areas, more than 75 percent of the land is covered by buildings, sidewalks and parking lots. All that pavement has turned many cities into heat islands. Rooftops are like ceilings of your interior - forgotten wall, the most underutilized area of the home. Why not give green roofs a try. Benefits of Rooftop GardeningGreen roof gardening is environmentally friendly, is usually done with low watering succulents, and has many benefits and reasons: - Increases outdoor green space at home or at work within the urban environment
- Improves air quality and lowers temperatures
- Insulates buildings in the winter
- Reduces urban heat-island effects
- Delays/reduces storm water runoff>/li>
- Creates habitats for birds and butterflies
- Reduces CO2 emissions
- Decreases smog and saves in energy costs
- Increases the value of buildings
- Increases outdoor green space
Green Roof Construction BasicsA rooftop garden typically consists of the following components: - an insulation layer
- a waterproof membrane to protect the building/structure from leaks
- a root barrier to prevent roots from penetrating the waterproof membrane
- a drainage layer - usually made of lightweight gravel or plastic
- a geotextile or filter mat that allows water to soak through but prevents erosion of fine soil particles
- a growing medium
- plants
- a wind blanket (sometimes)

Structural Capacity
The first step to considering a rooftop garden is determining the amount of weight your roof will hold. Adding soil, plants, and water increases roof weight considerably and many buildings are not capable of this type of garden. If your structural capacity is sufficient, you will need to obtain the proper permits from the Department of Construction and Permits prior to any construction. Access Consider the necessary type of access to the roof needed during and after the rooftop garden is installed. Selection of Plants A rooftop is a difficult environment for plants, facing extremes of heat, wind, and water stress. Consider plants with low water requirements, some plants as sedums and some native plants are perfect for a roof garden. Lighting Add low voltage landscape lighting to create drama and ambience and add tranquility.
Forget Me Not Landscape Design is a San Diego landscape design company bringing science, art and nature to each and every client with emphasis on reducing our impact on the environment with xeriscape landscape design.
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