Can orchids be grown on volcanic rocks?

Can orchids be grown on volcanic rocks?

Orchids can be grown on volcanic rocks. Volcanic rock is a Japanese material also called pumice, which is a granular stone formed after a volcanic eruption. This material contains a lot of trace elements, which can supplement orchids with more comprehensive nutrition.

Advantages and disadvantages of volcanic stone orchids

Advantages: Volcanic rock has a high cost-effectiveness and a relatively low price. It also has a certain degree of permeability, good air permeability and drainage, and can improve the structure of the soil to a certain extent.

Disadvantages: The texture of volcanic rock is relatively hard. If it is not used properly, it will damage the roots of orchids. If the nutrients it contains cannot be fully absorbed by the orchids, the growth will be uneven or the orchids will grow too tall.

How to grow orchids on volcanic rocks

1. Soak: Select volcanic rocks of different sizes and about 3 or 4 mm in diameter, then soak them in clean water for a whole day, then take them out and put them in a cool and ventilated place to dry.

2. Soil preparation: The processed volcanic rocks can be used together with garden soil, leaf mold, peat soil, or they can be directly covered on the bottom of the flowerpot, which can also increase air permeability and water permeability.