Why is charcoal sometimes used in potting soils?

Charcoal is sometimes used to help prevent soil from souring, especially when plants are potted in undrained containers. Crushed charcoal may be mixed with the soil or small lumps placed in the bottom of the containers.

How useful was this answer?

Please click a leaf below to rate it!

We are sorry this answer was not as useful for you as it could have been.

Help us get better!

Will you tell us how we can improve this answer?

Previous When sterilizing soil, should I treat all ingredients of the mixture or just some of them?


Bergamo Woodworks