2, soil, osmanthus tree on the soil requirements are acidic, avoid alkaline soil; if it is potted osmanthus tree, it is recommended that - leaf litter: garden soil: sandy soil: rotted cake fertilizer = 2:3:3:2 ratio of soil, and then potting, the best season is in the spring.
3, light, osmanthus can be cultivated in the open ground, so it can receive direct sunlight, but it is very taboo strong sunlight and shade and environment, it likes plenty of sunlight, 6-8 hours a day is the best; if it is in the winter after the budding to move to the outdoors, it should be placed in the back of the wind to the sun to stabilize the growth of osmanthus tree in the growth period if insufficient light, will be the best. If there is insufficient light during the growth period, it will affect the differentiation of flower buds.
4, temperature, osmanthus tree is generally applicable to subtropical climate zone, the most suitable growth temperature of 14 ~ 28 ℃, the lowest temperature tolerance for -13 ℃, winter if placed indoors, it is best to ask to stay above 5 ℃, but preferably not greater than 10 ℃.
5, watering, osmanthus tree on the water requirements are very high, generally new planting after watering a thorough water, the crown of the plant spraying to maintain humidity, the new technology must keep the soil moist before the issue, and can not be watered with fertilizer; in addition osmanthus tree does not tolerate waterlogging, you can add a certain amount of sand planting, both waterlogging, but also promote the growth of the rootstock.
6, fertilization, osmanthus tree fertilization to thin fertilizer, fertilization, early spring, a nitrogen fertilizer, to promote the growth of spring; summer, a phosphorus, potash fertilizer, which can contribute to the flourishing of flowers and leaves; and before the winter can be applied to an inorganic fertilizer or garbage fertilizer; during this period can be based on the specific circumstances of the increase in fertilizer, for the newly transplanted osmanthus, can not be fertilizer too early, or osmanthus tree will not be able to withstand.
7, pruning, osmanthus tree sprouting force is very good, so every year in the spring and summer seasons must be pruned, pruning methods are: branch thinning, will be too dense peripheral branches and long branches, pests and diseases branch thinning, can improve ventilation and light penetration. Maintain the height under the branches, generally after the growth of osmanthus, the height under the branches is about 1.5, so it is necessary to remove the stem base of the stem in time. The pruning of the top branches, the general home planting osmanthus tree height of 3.5 meters, width of about 3 meters can be, the remaining can be cut.
8, prevention and control of pests and diseases, osmanthus less pests and diseases, more common anthracnose, leaf spot disease and red spider, etc., only need to use Bordeaux wave, stone sulfur, dichlorvos, and other agents to prevent and control can be.
9, loosening and whitening, in the spring and autumn combined with fertilizer can be loosened and weed control, before winter, the trunk of the tree whitening once, can enhance the ability to resist the cold.