Common Problems and Troubleshooting

When growing edible mushrooms, there are several problems you can encounter, from running into bacterial growth to encountering other fungi and molds.

As you embark on your journey of growing edible mushrooms, it is important to be aware of the common problems that can arise, and equip yourself with the tools to troubleshoot them. Here, we explore some of the most common issues and offer solutions to help you along the way.

Bacterial Contamination

One of the most common problems that mushroom growers face is bacterial contamination. Bacterial growth can cause your mushrooms to develop soft, slimy spots and emit a foul odor. To address this issue, it is important to sterilize all of your tools and materials before starting your grow, and to maintain a clean environment throughout the process. Additionally, consider adding a bacterial inhibitor to your substrate or using a sterilization method that eliminates bacteria.


Another issue that can arise is the growth of unwanted fungi or molds. While some fungi may be beneficial, others can wreak havoc on your mushroom crop, causing it to rot or become discolored. To combat this, it is essential to regularly inspect your grow for any signs of unwanted growth, and remove it immediately if found. You may also want to consider adjusting the temperature and humidity levels to create an environment that is less hospitable to unwanted organisms.

Low Yields

Lack of fruiting is another common issue for mushroom growers. This can be caused by a variety of factors, including insufficient light, lack of proper ventilation, and incorrect moisture levels. To encourage fruiting, ensure that your mushrooms are receiving sufficient light and air flow, and that the humidity levels in your grow space are within the recommended range.

Lastly, it is important to keep in mind that each variety of edible mushroom may have its own unique set of challenges and requirements. Be sure to research the specific needs of the mushrooms you are growing, and adjust your techniques accordingly.

With hard work, perseverance, and a bit of troubleshooting, you can successfully grow healthy, delicious mushrooms right in your own home.