How to propagate osmanthus trees for the highest survival rate
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How to propagate osmanthus trees for the highest survival rate
It is recommended to propagate osmanthus trees when the temperature is between 18 to 28 degrees Celsius, as this is when the survival rate is the highest. By choosing the right propagation time, suitable propagation materials, and following key management points, the survival rate of propagated osmanthus trees can reach 95% or more. After about one month of successful propagation, the plants can be repotted.
Best time for propagating osmanthus trees
Our country has a vast territory and the climate varies greatly. In the north, it's still snowing in spring, while in the southern city of Xiamen, we're already wearing short sleeves. This shows that the seasons mentioned in books are not standardized.
Therefore, we should refer to the suitable temperature for osmanthus growth to determine the appropriate propagation time. It is recommended to propagate when the temperature is between 18 to 28 degrees Celsius, as this is when the survival rate is the highest.
How to propagate osmanthus trees with a high survival rate
First, propagation branchesWhen selecting branches, it is best to choose semi-lignified branches that are 1 to 2 years old.
The length of the branches should be trimmed to about 10 to 15 centimeters, with the cut ends trimmed to a 45-degree斜口, smooth and without any rough edges. Dip the propagation branches in a mixture of red soil paste containing "naphthyl acetic acid" rooting hormone.
Second, propagation materialsThe propagation material I most commonly use is fresh river sand mixed with 1/3 of honeycomb powder. This material is fine and can fit closely to the branches without affecting breathability and drainage. It is also clean and sterile, preventing infection of the wounds. The honeycomb powder should be soaked in water multiple times to remove alkali before use.
Third, propagation details
First, fill the pot with soil and then gently shake the pot to prevent air gaps between the soil layers. The amount of soil should be about 2 centimeters away from the pot opening. Plan the branches in a dot pattern and plant them at a depth of about 3 centimeters.
After planting, gently press the soil and then water thoroughly.
Fourth, make a simple greenhouse
Use bamboo sticks or chopsticks as supports around the pot and then cover it with a transparent plastic bag to create a simple mini greenhouse. Make sure the plastic bag has 5 to 8 small ventilation holes.
Fifth, propagation management
1. Move the potted osmanthus to a bright and well-ventilated position. It's best if the environment has higher humidity.
About a week later, if there are no yellow leaves or dry tips, you can move it to a position with weak sunlight for three hours.
2. Every three days, remove the bag for ventilation for 2 to 3 hours and spray the leaves to make them moist. Water the plants when the color of the propagation material surface lightens, and make sure to water thoroughly. Follow the principle of "watering only when necessary and watering thoroughly when done."
The above sharing on how to propagate osmanthus trees with the highest survival rate is for your reference. I hope you like it!