Reasons and solutions for yellowing leaves of Brazilian wood

The Brazilian iron tree, also known as the Brazilian iron tree, is a popular landscape plant, especially used as an embellishment in urban greening. This plant is known for its easy maintenance. It is a typical tropical plant that likes hot and humid environments. However, when the temperature drops to about 10℃, the growth of the rubber tree will temporarily stop. Although the rubber tree is generally easy to maintain, we may still encounter some problems in daily life, such as yellowing leaves. Below we will learn about the reasons and solutions for the yellowing of the leaves of the Brazilian tree.

1. Water management

The rubber tree prefers a humid environment, but excessive watering will cause the leaves to turn yellow. This is because its roots cannot adapt to soil with too much water. Therefore, when caring for it, avoid overwatering, and meet its water needs through foliar spraying or increasing air humidity. If excessive watering occurs, measures must be taken to accelerate the evaporation of soil moisture and choose a soil medium with good drainage and strong air permeability to prevent water accumulation.

2. Lighting conditions

The rubber tree needs sufficient light. Long-term lack of light will cause the leaves to turn yellow and wilt. When caring for it indoors, it should be placed in a place with sufficient diffuse light, and avoid being placed in a dark corner for a long time to prevent the leaves from losing their bright green color. Regularly moving it to the balcony to receive natural light will help promote photosynthesis and be beneficial to its growth.

3. Soil pH

The rubber tree grows best in slightly acidic soil. Alkalinization of the soil will lead to poor growth, thin and yellow leaves, or even dryness. In daily maintenance, long-term use of tap water for irrigation should be avoided. Rainwater can be collected or ferrous sulfate can be used to adjust the pH of the soil to maintain a suitable growth environment.

4. Ventilation conditions

The rubber tree needs good ventilation conditions. An environment with poor air circulation will cause the leaves to turn yellow. In addition, poor ventilation may be related to problems such as insufficient light and soil compaction, so these should be considered comprehensively during maintenance. During daily maintenance, open windows more often to ventilate and maintain air circulation, which is essential for the healthy growth of plants.

In short, when you find that the leaves of the rubber tree are turning yellow or the new leaves are not bright green, you should diagnose the cause in time and take appropriate remedial measures.