Also install automatic drip irrigation.
Roof top plants.
By midsummer if not earlier you would need to hand water at least once a day and in very hot weather twice a day.
It is hardy in zones 4 8 and reaches just 10 inches tall.
The practice of cultivating food on the rooftop of buildings is sometimes referred to as rooftop farming.
Rooftops are tough place for plants.
While most are plain green look for types with a mottling of dark red or white edges for extra interest.
The following plants make ideal specimens in rooftop gardens and will thrive.
As well as affording excellent ground cover this hardy easy to maintain plant grows happily in a shallow layer of substrate minimising the amount of pressure it puts on a structure.
A roof garden is a garden on the roof of a building.
Some good rooftop plant choices would be plants with limited root systems that don t need a lot of soil such as herbs and vegetables and smaller to mid sized perennials.
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.
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 soil.
Sun heat and wind will compound the water requirement.
Plant in moist well drained soil.
Rooftop farming is usually done using green roof hydroponics aeroponics or air dyn.
Rooftop garden guide checklist.
From 1 to 15 feet depending on type.
1 you can create any style of rooftop garden with container grown plants from a few simple herb plants to a formal elegant potager.
Containers are perfect for rooftop gardens because they are light portable flexible and affordable.
Trees and shrubs require more soil and larger pots but you need fewer of them to make an impact.
Agastache aurantiaca giant hyssop.
Place the plant in the center of a garden bed or at the back of a garden against a fence for tropical height.
Sedums are one of the star plants for creating a green roof and a sedum roof needs no extra growing medium.
Container plants need much more frequent watering than plants in the ground.
The easiest and most personal approach to rooftop gardening is the use of containers and raised beds.