How to grow osmanthus purple?

Like light, slightly resistant to shade; Like warm climate, cold tolerance is not strong; I like fertile, moist and well-drained calcareous soil, and I am drought-tolerant and afraid of waterlogging. Strong germination, slow growth and long life.

Lagerstroemia indica is robust and easy to cultivate, and has no strict requirements on soil, but it grows best when planted in deep and fertile sandy loam. Love the light, and should be planted in the lee or under the root of the south wall of the courtyard. If the light is insufficient, plants will not only spend less or not, but even grow weak and have small branches and leaves. Lagerstroemia indica is cold-resistant, but it should be well protected from cold and heat at seedling stage, and the adult plants over three years old do not need heat preservation. Lagerstroemia indica is drought-tolerant and afraid of waterlogging. Water it once a year before germination in spring and after defoliation in autumn. If it is not too dry at ordinary times, there is no need to water it. Drainage should be done well in rainy season to prevent water from rotting roots. Fertilization can be applied after defoliation in winter and before germination in spring every year, such as applying human manure or sesame paste residue, which can make plants grow vigorously and flowers big and colorful in the coming year. Generally, pruning should be carried out after defoliation in autumn, and long branches, dead branches, drooping branches, pests and diseases branches, slender branches and endogenous branches should be cut off in time during the young tree period, so that the upper part of the trunk can obtain sufficient nutrients and form a good crown.

Lagerstroemia indica is vulnerable to aphids, scale insects, spiny moths and leaf roller moths during the growth period. If it happens, dimethoate EC with 1000 times can be used to kill scale insects and aphids, and 80% dichlorvos EC with 1500 times can be used to kill spiny moths and leaf rollers.

Planting Lagerstroemia indica should choose the leeward and sunny place with deep soil layer, fertile soil and good drainage. Large seedlings should be transplanted with the ball and the branches should be trimmed properly, otherwise the survival rate will be low. Apply decomposed organic fertilizer as base fertilizer in the planting hole, water it after cutting, and water it 1 time after 3 days. Lagerstroemia indica germinates late. Under normal circumstances, the leaves will only spread from mid-April to the end of April. Because of root injury, the germination of new plants will be delayed. So don't give up management just because you have no job.

After survival, the plant management is extensive, Lagerstroemia indica is strong and easy to cultivate, and the requirements for soil are not high, but it grows best when planted in deep and fertile sandy loam. Sex likes light, so it should be planted in the lee of the sun or under the roots of the south wall of the courtyard. If the light is insufficient, plants will not only spend less or not, but even grow weak and have small branches and leaves. Lagerstroemia indica is cold-resistant, but it should be well protected from cold and heat at seedling stage, and the adult plants over three years old do not need heat preservation. Lagerstroemia indica is drought-tolerant and afraid of waterlogging. Water it once a year before germination in spring and after defoliation in autumn. If it is not too dry at ordinary times, there is no need to water it. Generally, water l ~ 3 times in spring drought, and drain well in rainy season to prevent water from rotting roots. Autumn is not suitable for watering. Fertilization can be applied after defoliation in winter and before germination in spring every year, such as applying human manure or sesame paste residue, which can make plants grow vigorously and flowers big and colorful in the coming year. In order to make Osmunda bloom, pruning should be carried out during dormancy. Because the crape myrtle inflorescence is planted at the top of the new branches in that year, the annual branches should be pruned and retracted when pruning, so that the nutrients are concentrated and the branches are strong. Long branches, dead branches, drooping branches, pests and diseases branches, slender branches and endogenous branches should be cut off, and the side branches at the lower part of the trunk should be cut off in time during the young tree period, so that the upper part of the trunk can get enough nutrients and form a good crown.

Lagerstroemia indica cultivation and management are extensive, but it is necessary to cut off dead branches, pests and diseases in time and burn them. In order to prolong the flowering period, the branches that have blossomed should be cut off in time so as to germinate again and grow the next round of flowers. In order to make the trunk thicker, you can cut off many flowers and concentrate on cultivating the trunk. Practice has proved that with proper management, Lagerstroemia indica can bloom many times a year, up to 100- 120 days.