Scientific name: also known as Manjianghong, Orchidaceae: Meliaceae, Manjianghong. Milan, with beautiful trees, dense branches and leaves, bright green leaves and blue flowers, is a very popular potted flower. Morphological characteristics and varieties Evergreen shrubs or small trees can be as high as 5 meters in the country of origin, and potted plants are shrub-like, but the height is only 1 meter. Many branches and neat crowns. Odd pinnate compound leaves, alternate, with extremely narrow wings on the petiole, each compound leaf has 3 ~ 7 obovate leaflets, and the surface of the whole leaf is dark green and shiny. Small panicle, inserted in leaf axils at the end of the tree. The flowers are very small, about 2 mm in diameter, yellow and fragrant. The flowering period is very long, and it is the most prosperous in summer and autumn. Milan, as an ornamental plant, is cultivated with few big leaves and flowers, and its flowers often bloom with the growth of new branches, mainly distributed in miscellaneous trees along the coast of Taiwan Province Province, so Taiwan Province Province is also called Milan. Ecological habit: Milan likes moist, fertile and loose loam or sandy loam, which is slightly acidic. Potted soil can be mixed with 25% compost, 50% humus and 25% river sand. Potted Milan usually needs to turn over the pots and change the soil 1 time every two years. Don't break the soil, remove some old soil without roots and cut off rotten roots. When adding new soil, add some phosphate fertilizer as base fertilizer, not too much. Milan grows more peat, rotten leaves and sandy soil in the north. Families can use (old) Clivia soil and plain sand to cultivate soil. The basin should not be too big, and alkaline fertilizer should not be added to the soil. The bottom of the basin should be padded with drainage layer. After planting, put the seedlings in the shade for maintenance. When the weather is dry, spray water on the leaves and the surrounding ground every day to keep the environment moist. When the new leaves grow, they will move to the shade and then gradually adapt to the strong light.

In North China, after the dry wind from late April to early May, it will be moved to outdoor maintenance. Milan should start pruning and shaping from the seedlings, leaving a section of trunk with a height of 15cm to 20cm. Don't let the main branches grow out of the soil, but prune them at the height of 15cm above the main branches to make the plants plump. The lower branches of perennial plants often age and die. Therefore, it is advisable to cut it once every other year in high temperature season, so as to promote the germination of adventitious buds at the lower part of the main branch and grow new lateral branches, so that the tree can maintain a symmetrical posture, the tree is vigorous and the leaves are lush.