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Writer's pictureEyra Bojorquez Borbon

Charcoal in my soil? Here's why



The Benefits of Using Charcoal in Your Potting Soil for Indoor Plants


Welcome back to our blog! Today, we’re exploring an often-overlooked component of potting soil that can make a significant difference for your indoor plants: charcoal. Adding charcoal to your potting mix offers several benefits that contribute to the health and vitality of your plants. Let’s dive into why you should consider incorporating charcoal into your indoor gardening routine.


What is Charcoal?


Charcoal used in gardening is typically activated charcoal, also known as horticultural charcoal. This type of charcoal is treated to increase its porosity, enhancing its ability to absorb water and nutrients. It is different from the charcoal used for grilling, which often contains additives that can be harmful to plants, Maya Growing Mediums charcoal is made with 100% Canadian hardwoods and it's Eco-Cert certified for organic use


Benefits of Using Charcoal in Potting Soil


1. **Improved Drainage and Aeration**


Charcoal helps create a well-draining potting mix, which is crucial for preventing waterlogged soil and root rot. Its porous nature allows excess water to escape while maintaining adequate moisture levels, ensuring your plants’ roots have access to both water and air.


2. **Odor Control**


Indoor plants are often grown in enclosed spaces where odors can become a problem. Charcoal has natural odor-absorbing properties that help keep your potting soil smelling fresh. It can neutralize unpleasant smells caused by decaying organic matter or stagnant water.


3. **Enhanced Soil pH Balance**


Charcoal can help stabilize the pH level of your potting soil. It acts as a buffer, preventing drastic fluctuations in pH that can stress your plants. A stable pH ensures that your plants can absorb nutrients more effectively.


4. **Pest and Disease Prevention**


Horticultural charcoal has natural antifungal and antibacterial properties. By incorporating charcoal into your potting mix, you can reduce the risk of soil-borne diseases and pests that can harm your indoor plants. This is especially beneficial for plants that are prone to root rot or fungal infections.


5. **Nutrient Retention and Release**


Charcoal’s porous structure allows it to absorb and store nutrients from fertilizers and organic matter. Over time, it slowly releases these nutrients back into the soil, providing a steady supply of nourishment for your plants. This helps in maintaining a healthy and balanced growth environment.


6. **Long-Lasting Soil Amendment**


Unlike other organic soil amendments that break down over time, charcoal remains stable in the soil for years. This means you’ll reap its benefits for a long time without needing to reapply it frequently.


How to Use Charcoal in Potting Soil


Incorporating charcoal into your potting mix is easy. Here’s a simple guide:


**Mix with Potting Soil**: For general use, mix charcoal with your potting soil at a ratio of about 10-15%. This ensures adequate distribution of charcoal throughout the soil.


**Layering Method**: For Terrarium plantings, plants that are particularly sensitive to overwatering, consider adding a layer of charcoal at the bottom of the pot before adding your potting mix. This layer will help with drainage and prevent water from sitting at the bottom.


Final Thoughts


Adding charcoal to your potting soil can significantly enhance the health and growth of your indoor plants. From improving drainage and aeration to preventing pests and diseases, charcoal is a versatile and beneficial amendment for any indoor gardener.


Give it a try and watch your plants thrive like never before! For more gardening tips and advice, be sure to explore our other blog posts. Happy gardening!





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