How to Grow a Red Sandalwood Bonsai? Detailed Care Methods and Tips

Red sandalwood is commonly known as small-leaf sandalwood. It grows slowly, taking 5 years to form a single growth ring and over 800 years to mature. Its hardness ranks first among timbers, and it is known as the “wood of emperors,” unmatched by ordinary woods. So how do you grow a red sandalwood bonsai?

1. Light Management

We often like to place many potted plants in rooms or on desks, without direct sunlight. For sun-loving plants, this is like a person who cannot eat, slowly “starving” to death. Red sandalwood bonsai should be placed on a sunny balcony to ensure the plant gets enough sunlight.

2. Watering at the Right Time

Red sandalwood is a tropical plant with relatively high water requirements and is not drought-tolerant, so it should be watered every two or three days. There is skill to watering as well; it is not simply a matter of pouring a basin of water over it. Do not water at noon when the sun is at its harshest, as this easily causes the plant to evaporate water vapor at high temperatures, and over time the plant will wither and die. When watering, water thoroughly and do not just wet the soil surface.

3. Reasonable Fertilization

Red sandalwood itself has parasitic root nodules with nitrogen-fixing ability, so it does not need frequent fertilization. Once every one or two months, drip plant nutrient solution into water, mix well, and pour it onto the soil. For potted plants, do not bury nutrient soil into the soil, especially after the plant has grown stable and its roots have gone deep into the soil. Disturbing the soil over a large area will damage the plant's roots, and burying a large amount of nutrient soil may burn the roots because the soil is too fertile, causing root damage.

4. Fixed Placement

A red sandalwood bonsai has its own ability to adapt to its environment. Once it has become accustomed to an environment, do not move it frequently, so as not to increase the burden on its growth.

5. Pest Control

Red sandalwood bonsai seedlings and young trees are prone to anthracnose and black spot disease (leaves fade and then turn black). They can be controlled with 1:100 Bordeaux mixture or 50% carbendazim 1000x solution, and leaf-eating pests such as golden flower beetles and scarab beetles can be controlled with trichlorfon.

In ancient China, the understanding and use of red sandalwood began at the end of the Eastern Han Dynasty. Cui Bao of the Jin Dynasty recorded in his “Gujin Zhu” that it was then called “red sandalwood, produced in Funan, purple in color, also called red sandalwood.”