The landscape is mainly expressed through the ingenious combination of various flowers, trees, lawns and other plants. Along with the continuous improvement of people's appreciation level, a number of colorful and trait-colored leaf varieties represented by red leaf scorpion and golden leaf scorpion have played an important role in landscaping.
1. Red leaf cockroach, also known as purple leaf cockroach, is a cultivar of Japanese cockroach. It is a small shrub with small leaves of the genus Euphorbiaceae. Branch purple-brown, with leaf thorns. Leaves clustered, obovate or spatulate, 0.5 to 2.0 cm long, entire. The new leaves are tender red and gradually turn into purple. The flower is small, yellow and white. The berry is oval and bright red. Flowering period from April to June; fruiting period from July to October.
Hongye Xiaoyan is native to China's Qinling region and Japan, and is now introduced and cultivated throughout the country. In sunny areas, the color of the leaves will change with the intensity of the sun. The new leaves in early spring are yellow-green, and soon turn into bright red. The summer season is dark purple, and it changes after the autumn. It became blood red. After the winter leaves, the brown branches are encrusted with oval bright red berries. It is highly adaptable. Adult seedlings are not strict with environmental conditions, resistant to severe cold, inferiority and drought, avoiding waterlogging, and growing best in well-drained sandy loam soil; the ability to sprout is extremely strong and extremely resistant to pruning.
It is often propagated by sowing or asexual reproduction. Xiaomiao hi semi-yin environment, pay attention to take appropriate shading measures, pay attention to drainage during the rainy season. The annual seedlings are planted once and transplanted. After 2 to 3 years, the height can reach 1.0 to 1.2 meters, and the crown diameter can reach 0.4 to 0.8 meters.
Hongye Xiaoyan can be widely used in streets, courtyards, parks, etc. It is an important hue material for landscaping.
2. The golden-leaf niece is a hybrid of the female niece of the Phnom Penh in Canada and the European son-in-law. It is a semi-evergreen shrub of the genus Oleaceae, with a height of 2.0 to 3.0 meters and a crown width of 1.5 to 2.0 meters. The young branches have pubescence. Single leaf opposite, leafy, elliptic or ovate-elliptic, 2 to 5(7) cm long, apex acuminate, entire, lobular golden yellow, especially new apical leaves, old leaves green luster The leaf back has a glandular point and the handle is short. Flowering in June, fruiting in October. Drupe broadly elliptical, purple-black. Sexual light, poor tolerance, moderate cold tolerance, strong sprouting, pruning resistance, adaptability, and poor soil requirements, but the best is loose and fertile, good permeability of sandy loam. Less pests and diseases, can be managed extensively. During the whole growing season, the leaves are golden yellow. When the sun is abundant, the colors are dazzling and the effect is better under strong light. In areas where there is no sunlight, the leaves are green.
Good environment, no leaves in winter.
The golden leaf privet often uses asexual reproduction to breed. It is carried out from May to July every year. The cutting rooting rate is 98% to 100%, and the survival rate can reach 92% to 95%. The cuttings can grow to 0.2 to 0.6 meters in height and the crown is 0.2 to 0.4 meters. After the planting of the Daejeon in the next year, timely fertilization and fertilization, cultivating the weeds, and cultivating for three years.
The golden leaf privet has strong resistance to gases such as so2 and cl2. The garden is often planted as a hedge, a group of characters or a pattern.
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