What flowers are usually planted for road greening
The website discusses the types of flowers commonly used for road greening and recommends suitable flowers for planting along roadsides. The following is an introduction for your reference.
Cinnamomum camphora
Cinnamomum camphora is a common tree for greening in the south. It is not cold-resistant and is rare in the north. The leaves of Cinnamomum camphora have a faint fragrance, and the branches and wood also have the scent of camphor. It is an excellent species for urban greening and is very common in protective forests and greenery. Cinnamomum camphora has a massive tree shape, providing shade, dense branches and leaves, and strong dust absorption capabilities. It has a unique fragrance that can repel insects, greatly reducing the risk of pests and diseases without the need for pesticide spraying.
Ficus virens
Ficus virens is known as the sacred bodhi tree in Buddhist scriptures. It has a robust trunk, unique tree shape, suspended roots and claws, and winding branches. The leaves are dense and glossy. It is a sun-loving species, prefers warm and humid climates, is drought-resistant but not cold-resistant, and slightly more cold-resistant than banyan trees. Ficus virens is wind-resistant, pollution-resistant, can tolerate poor soils, and has fast growth and strong germination, making it easy to plant. The new leaves have bright red stipules that fall to the ground, creating a beautiful sight. It is suitable for planting in parks, lakeside, lawns, riverbanks, and scenic areas.
Kapok
Kapok is common in South China, with branches bearing red flowers in early spring before leaves appear, from March to April. The flowers fall noisily and are collected to dry for herbal tea or soup.
Koelreuteria paniculata
Koelreuteria paniculata is a common green belt tree in both the south and north. The varieties planted in the north are mainly Koelreuteria paniculata, while the south plants Koelreuteria bipinnata, also known as southern Koelreuteria, a variety of Koelreuteria paniculata. There is another variety called Koelreuteria integrifolia. Koelreuteria paniculata has an attractive tree shape, dense branches and leaves, does not require extensive pruning, has red leaves in spring, yellow flowers in summer, and bright red fruits in late autumn, which are very ornamental. It is adaptable to the environment, cold-resistant, with slow growth in young trees, and has strong smoke resistance. Koelreuteria paniculata also has economic value, as flowers can be used as dyes, seeds for oil extraction, and leaves for dyes. The wood is simple in color and easy to process into furniture.
Phoenix Tree
The Phoenix Tree has a tall株 plant, with a broad, drooping, dense crown, serving as a shade tree in tropical regions. It prefers a high-temperature, sunny environment and grows well in full sunlight. It is distributed in southern and southwestern China, the original habitat of Madagascar, and other tropical regions. The Phoenix Tree has a高大冠, red flowers and green leaves during flowering season, making it a magnificent tropical ornamental species, named for its feather-like leaves and crown like the丹凤 (red phoenix).
Alstonia scholaris
Alstonia scholaris is native to Hainan Island and Yunnan, India, Myanmar, and Indonesia. It blooms大量 flowers from September to December, with a strong, distinctive fragrance. The flowers are greenish-white in autumn. The fruits are linear, and the branches spread horizontally in an orderly manner, making it an elegant ornamental tree and roadside tree for gardens. It has wind and pollution resistance.
Beautiful heterophylla
Beautiful heterophylla, also known as beauty tree or silk cotton, has an umbrella-shaped crown, green leaves, and a bottleneck-shaped trunk in adult trees. It is a deciduous large tree that prefers a warm and humid climate, grows rapidly, is wind-resistant, and not drought-resistant. It has high transplant survival rates and blooms profusely with purple flowers in winter, making it an excellent ornamental tree for gardens and an advanced species for road greening.
Plane Tree
The plane tree is an excellent greening tree with a dense canopy and fast growth, not prone to歪斜, high survival rate, and strong adaptability to the environment. It has strong noise insulation capabilities, absorbs smoke and dust, and is a common tree for urban greening. It is also a world-renowned excellent courtyard shade tree and is widely used as a city street tree.
Platanus × acerifolia is commonly seen in the Americas, Platanus × hybrida is a hybrid of Platanus × acerifolia and Platanus orientalis, also known as the American plane tree, and Platanus orientalis prefers a warm and humid climate, is somewhat cold-resistant, and is commonly used in landscaping in China, with good growth. Its main drawback is that it easily produces fluffy fibers that can affect the respiratory tract.
Bauhinia
Bauhinia is similar to the Hong Kong city flower,红花羊蹄甲, but can be distinguished by its淡红色 flowers that produce pods after blooming, versus the latter's purple flowers that do not produce pods. It prefers sunlight, warmth, and humid environments and is not cold-resistant. It is an excellent landscaping tree often used as a roadside tree.
Firmiana simplex
Firmiana simplex is a common road tree and garden ornamental tree. It is also an elegant ornamental plant, planted in gardens and in front of houses, and also as a road tree. It blooms in summer, with male and female flowers on the same plant, small, light yellow-green flowers, terminal panicled inflorescences, and bright and attractive when in full bloom.
Ginkgo biloba
Ginkgo biloba has green leaves in spring and summer and yellow leaves in autumn, both of which are beautiful landscapes, so it is often chosen for planting. As a greening tree, there are many reasons for choosing ginkgo biloba, including its long lifespan and few diseases and pests. It grows well in areas like Jiangsu and Shandong.
Sapium sebiferum
Sapium sebiferum has red leaves in spring and autumn. The bark and leaves of Sapium sebiferum can produce oil and are quite valuable. It is highly adaptable to soil and can survive in many types of soil. Sapium sebiferum has high economic value and is an important industrial oil species in the south. Its seeds can be extracted for "tung oil," which has many uses and can be processed into high-grade soap, paint, printing ink, etc. The leaves can also be used as dyes, and the bark can treat snake bites. Sapium sebiferum is also beautiful and has high ornamental value.
Populus
Populus is a deciduous tree with a straight trunk, alternate leaves that are mostly ovate or deltoid, and flowers that bloom before leaves. Its ornamental value during flowering is not high. It has strong adaptability and cold resistance and is common in northern China, mainly planted on both sides of roads.
Albizia julibrissin
Albizia julibrissin, also known as silk tree or horse chestnut, is a deciduous tree that usually blooms in summer with a terminal head inflorescence, showy flowers, and a certain ornamental value. It prefers warm, humid, and well-lit environments and has strong adaptability to soil, drought, and cold resistance. It is mainly distributed in East China, South China, Southwest China, and the Yellow River Basin.
Robinia pseudoacacia
Robinia pseudoacacia is a variant of the pagoda tree, a deciduous tree that prefers sunlight, slightly shade-tolerant, and can adapt to dry and cold climates. It prefers deep, moist, and fertile sandy loam and grows rapidly with many branches. It is an ornamental and honey source plant commonly cultivated in various parts of China, especially in North China and the Loess Plateau. The flowers and pods are used medicinally for cooling, astringent, hemostatic, and hypotensive effects; the leaves and root bark have antipyretic and detoxifying effects, can treat boils, and the wood is used in construction.
Euonymus japonicus
Euonymus japonicus is an excellent ornamental leaf plant. It is suitable for planting in courtyards, doorways, window sides, walls, and shady areas of buildings, and can also be used to decorate streams and waterfalls. It can also be planted in groups at the edge of lawns and in woods. It is also suitable for potted indoor ornamental plants. It has strong resistance to sulfur dioxide and is suitable for planting in factory areas and urban neighborhoods.
Loropetalum chinense var. rubrum
Loropetalum chinense var. rubrum is a variant of Loropetalum chinense, an evergreen shrub or small tree. The bark is dark gray or light grayish-brown, with many branches. The young branches are red-brown and densely covered with star-shaped hair. The flowers have 4 petals, purplish-red linear, 1-2 cm long, and 3-8 flowers cluster at the tip of the young branches. The fruit is brown and nearly ovate. The flowering period is from April to May, with a long flowering period of about 30-40 days, and can bloom again during the National Day holiday. The flowers cluster on the peduncle in a corymbiform inflorescence, purplish-red. The fruiting period is August. It is mainly distributed in the middle and lower reaches of the Yangtze River and the south, and the north of India.
Nerium oleander
Nerium oleander is an evergreen upright shrub that can reach 5 meters in height, with large, beautiful flowers and a long flowering period, often used for ornamental purposes. The flowering period is almost throughout the year, with the most盛开 in summer and autumn; the fruiting period is usually in winter and spring, and cultivated plants rarely produce fruit. The leaves, bark, roots, flowers, and seeds contain various glycosides, which are highly toxic. The leaves and stem bark can be extracted for strong heart medicine, but it is toxic and must be used with caution.
Forsythia
Forsythia blooms early in spring before leaves appear, with faintly fragrant flowers, full branches of golden yellow, which are beautiful and lovely, making it an excellent ornamental shrub in early spring. It can reach a height of 3 meters, with branched stems, yellow branches that droop, and hollow inside. The flowering period is from March to April, and the fruiting period is from July to September. The fruit can be used medicinally.
What flowers are usually planted for road greening
Photinia serratifolia
Photinia serratifolia is used as a street tree, its trunk standing like a torch; as a hedge, it lies like a dragon; pruned for landscaping, it can have various postures, creating a beautiful landscape. Photinia serratifolia gets its name from the bright red new shoots and young leaves.
Buxus megistophylla
Buxus megistophylla, commonly known as large-leafed boxwood, has a flowering period from June to July and a fruiting period from September to October. It prefers sunlight, slight shade, and has some cold resistance. It is not picky about soil and can grow rapidly in fertile and well-drained soils. It is a common greening species.
Holmskioldia sanguinea
Holmskioldia sanguinea has dense branches and leaves, a round crown, and drooping branches. The leaves are dark green and glossy, not凋谢 in winter, and the flowers are beautiful and fragrant in early summer. The fruits crack open to reveal red seeds, which are also ornamental. It is an ideal tree for flower bed landscaping or greening species.
Ilex crenata
Ilex crenata is mainly distributed in Hunan, Zhejiang, Fujian, and Jiangsu, prefers warm and humid environments and sufficient sunlight, is slightly shade-tolerant, and can adapt to dry and cold climates. It grows rapidly and has strong germination, making it easy to plant. It has an elegant tree shape, bright green leaves, and some wind and pollution resistance.
Oxalis corymbosa
Oxalis corymbosa is introduced as an ornamental plant in northern China and has become wild in the south. It is distributed in Hebei, Shaanxi, East China, Central China, South China, Sichuan, and Yunnan. It grows in low-altitude mountains, roadsides, wastelands, or paddy fields. Its bulbs are easily separated, so it reproduces quickly and is often a weed in fields.
Begonia semperflorens
Begonia semperflorens has a graceful posture, tender and glossy leaves, and cluster flowers that are slightly fragrant, usually with 6-7 flowers per cluster and can bloom 3-4 times a year if well maintained. The flower colors include peach red and pink.
Bougainvillea spectabilis
Bougainvillea spectabilis is often seen in the green belts of southern regions, with branches full of flowers, beautiful and eye-catching.
Calendula officinalis
Calendula officinalis, commonly known as marigold, has yellow flowers and a straight stem that grows upwards. The golden color of the flowers is like a lamp, and the flowering period is very long, so it is commonly planted in urban green belts.
Salvia splendens
Salvia splendens, also known as firecracker red, is unique with its串串 red flowers, bright red, resembling fireworks from a distance. It has a very good ornamental effect when planted in large areas and is often used as a greening ornamental plant.
The above is a specific introduction by [Green Plant Enthusiast Website] about the types of flowers usually planted for road greening and suitable flowers for planting along roadsides, for netizens to refer to.