How many years have the osmanthus seedlings bloomed
The slender osmanthus trees in the courtyard carry the fragrant expectations of countless people. Many growers have found that their osmanthus seedlings have not seen flower buds for a long time, and ten-year-old plants grow wildly but never bloom. What secrets of plant growth lie behind this? The flowering cycle and reproduction method of osmanthus osmanthus The long wait for sowing and reproduction Traditional osmanthus seedlings cultivated by sowing need to undergo a complete life cycle of development, and it usually takes 8-10 years to form a complete flower bud structure. Although this breeding method can maintain the characteristics of the variety, it requires sufficient patience from the grower. Breakthroughs in cuttage technology use semi-lignified branches to cut plants, which can shorten flowering to 4-5 years. This method effectively inherits the maturity characteristics of the mother plant and advances the flower bud differentiation time. In recent years, it has become increasingly popular among horticulturists. The quick plan for grafting uses adult osmanthus osmanthus as rootstock for grafting, and sporadic flower buds can be seen that year. However, attention should be paid to the compatibility of scion and rootstock. Improper combination may lead to poor subsequent growth. The key factor for plant growth and not flowering is the core role of light management. Direct light for more than 6 hours per day is crucial for flower bud differentiation. Under long-term shade conditions, plants will compete for light by increasing height, forming a "jointing" phenomenon. It is recommended to ensure full sunshine in spring and autumn, and appropriately cover shade in summer. Scientific control of nutrient ratio Excessive application of nitrogen fertilizer (urea content>30%) during the growth period from March to August will stimulate the wild growth of branches and leaves. It is recommended to use phosphorus and potassium compound fertilizer during the flower bud differentiation period (August to September), and 0.2% potassium dihydrogen phosphate solution can be sprayed on the leaves. Seasonal differences in water control need to keep the soil slightly dry (water content <40%) during winter dormant period, and gradually increase water supply during spring germination period. The principle of "seeing dry, seeing wet" is adopted during high temperatures in summer to avoid root suffocation caused by accumulated water.
By scientifically controlling environmental factors and properly pruning (retaining 1/3 of the old branches), even "stubborn" plants that have been growing for ten years can achieve full branches with flowers within 2-3 growth cycles. Plant growth has its own rhythm, and patient observation and timely adjustment are often more effective than blind intervention.