What kind of flowers and grasses are suitable for the design effect of roof garden

Roof gardens generally plant plants with relatively low roots, drought tolerance, cold tolerance, barren tolerance and vigorous vitality. Because the roof garden is relatively high, the wind is relatively strong, the soil layer is thin, the illumination time is long, the temperature difference between day and night is large, the humidity is small and the water content is low. The plants planted mainly include the following categories:

Sedum: Sedum lineatum, Sedum sarmentosum, Sedum dentatum, Sedum aureum, etc. Local vine mulch: Catharanthus roseus, Ivy, etc.

Dwarf shrubs: crape myrtle, snow, mallow, hibiscus, boxwood, hibiscus, forsythia suspensa, etc.

Pollution-resistant tree species: fig, mulberry, acacia, hibiscus, jasmine, osmanthus, palm, etc.

Flower shrubs: Camellia, Rhododendron, Pyracantha fortunei, Forsythia suspensa, Rose, Yingchun, etc.

Evergreen shrubs: Ficus, Ficus alternifolia, Liriodendron, etc.