How to Prune the Branches and Leaves of a Dragon Tree (Dracaena) and the Causes and Solutions for Yellowing Leaves
The dragon tree (Dracaena) can already be considered a rare tree species in China. Faced with this situation, we should take even better care of it to prevent pest and disease problems, but even so, it is still very prone to symptoms such as yellowing leaves. Faced with such a situation, what exactly are the causes? What solutions are there? Let's take a look below.
How to Prune the Branches and Leaves of a Dragon Tree
1. Prune into a "T" shape. In this shape of dragon tree, the leaves grow only at the top of the main trunk, with no leaves below the top, so the whole plant resembles the letter T and is therefore called T-shaped. First, remove the leaves from the lower part of the main trunk, then shape the main trunk into a T shape.
Next, cut flat at a certain height, leaving only the new leaves at the top of the main trunk, and remember to remove the side buds on the main trunk at any time. Finally, place the pruned dragon tree in a ventilated spot with light, and after waiting for a period of time, it will take on the T shape.
2. Shorten and build up branches. This shaping method is suitable for thin and weak plants, because they are tender and not suitable for making a T shape.
That is, for plants that have shed their lower leaves over many years, select and keep 2 to 3 side buds at appropriate positions on the left and right for cultivation. These buds should be kept at different heights, and at the same time, water and fertilizer management should be strengthened.
Causes and Solutions for Yellowing Leaves of a Dragon Tree
1. Insufficient light: The dragon tree likes warm, humid and sunny environments, and can also tolerate shade, but if it is placed in too shady an environment for a long time, the leaves will also fade.
Solution: Place the flower pot on a windowsill facing southeast so that it receives sufficient sunlight.
2. Too low a temperature: The dragon tree likes warmth and cannot tolerate severe cold. Its most suitable growth temperature is 20-28 degrees Celsius. If the summer is hot and the temperature exceeds 32 degrees Celsius, or if the winter temperature is below 15 degrees Celsius, the dragon tree will enter a dormant or semi-dormant state. When the temperature is too low, because the root system cannot absorb enough water, yellow-brown patches will appear at the leaf tips and leaf edges.
Solution: In summer, keep it away from air conditioning to prevent the temperature from being too low and causing physiological disease.
3. Unsuitable soil pH: The dragon tree likes a slightly acidic soil environment.
Solution: Rice washing water can be used to water it once a week.
How to Grow a Dragon Tree
1. Soil: The dragon tree has strong adaptability and is not strict about soil, but it grows best in loose, fertile, slightly acidic soil with good drainage. You can mix loam with high humus content from under pine and cypress trees with river sand for cultivation, or mix leaf mold with river sand. During cultivation, the dragon tree needs ferrous sulfate applied about once a month, which can ensure that the soil pH is suitable, slightly acidic, and suitable for its normal growth.
2. Fertilizer and water management: The dragon tree likes loose, fertile substrate with good permeability, and can be cultivated and managed using soilless cultivation methods. The substrate can be a thorough mix of vermiculite, perlite and peat soil. This kind of substrate has good permeability, is clean, sterile and odorless. When the dragon tree is cultivated in this kind of substrate in an advanced container, it can go several years without repotting or changing the soil, and the plant's root system will be well developed and grow robustly. Fertilizer and water management in soilless cultivation mainly involves applying nutrient solution. If the number of plants cultivated is small, you do not need to specially prepare nutrient solution.
3. Temperature and light: The dragon tree likes warm, humid and sunny environments, and can also tolerate shade. However, if grown indoors and placed in too shady an environment for a long time, the leaves will also fade. So it is best to place the flower pot on a windowsill facing southeast so that it receives sufficient sunlight. If the dragon tree is placed on a balcony for growing, when the summer sunlight is too strong, move the flower pot indoors, especially at noon, and provide appropriate shading. Generally, a light level of 40-50% is sufficient, so as to avoid scorching the leaves with the blazing sun.
Notes on Growing a Dragon Tree
1. For the container used to cultivate the dragon tree, choose a beautiful and elegant purple clay pot, or select a ceramic pot.
2. When growing indoors, if it is placed in too shady an environment for a long time, the leaves will fade, so it must receive sufficient sunlight.
3. During the winter dormant period, stop fertilizing and control watering. Generally, place it indoors to overwinter, and water it once every ten days to half a month, keeping the pot soil slightly dry and moist, so that it can overwinter safely.
4. The dragon tree tolerates pruning. In order to create a full and rounded plant shape, the main trunk should be shortened to encourage side branches to grow below the cut. If it is not pruned, it often grows into a single stem, with leaves concentrated at the top of the branches and the lower part bare and leafless, which is quite unsightly.
It seems that in the process of growing a dragon tree, sunlight, temperature, water and fertilizer are all very important to it, and none can be missing. As long as one link is not taken care of, it will affect its growth. Moreover, if you want your dragon tree to be more distinctive, you can prune it according to the two shapes above, which is both attractive and can encourage it to grow better.