Can you grow succulents with coal ash?

Can coal ash be used to grow succulents?

Coal ash is left after the coal is fully burned and can be used to grow succulents. This substrate has strong air permeability and drainage, and basically contains no bacteria after being exposed to high temperatures, so it is very suitable for growing succulents.

When growing succulents with coal ash, the soil needs to be configured according to the characteristics of the plants. However, coal ash itself does not contain any nutrients and cannot be used to grow succulents directly.

The advantages and disadvantages of coal ash succulents

Advantages: Coal ash has many advantages. As a matrix, it has good air permeability and water permeability, and the cost of obtaining it is relatively low, so it is deeply loved by the public.

Disadvantages: Coal ash is a weakly alkaline substrate. If it is used to grow acid-loving plants, the growth of the plants will be affected to a certain extent.

How to grow succulents with coal ash

1. Soaking in water: Coal ash must be soaked in water before use, because it is alkaline in nature. Soaking in water can neutralize the pH and remove fine dust.

2. Soil preparation: The proportion of coal ash in the soil should not exceed 40%. It can be prepared together with leaf mold, orchid soil, peat soil, etc.