
Mushrooms are unique in that they don't require the same watering techniques as plants. They are sensitive organisms that require specific humidity levels to grow and thrive. While they do need water, the focus is on creating humidity rather than watering them directly. This is because mushrooms are the sexual organs' of the fungus, with the main body of the fungus being beneath the soil. This means that the humidity level and moisture content of the growing environment are critical factors in mushroom cultivation.
Do you have to water mushrooms?
| Characteristics | Values |
|---|---|
| Spraying water | Spray the area around the kit with a few pumps of water whenever possible, at least 2-3 times a day. |
| Misting | Mist the air around the mushrooms as they grow to prevent them from drying out. Mist 3-4 times a day if you don't have a humidifier. |
| Humidity | Humidity is a key factor for successful mushroom growth. Maintain humidity close to the mid-90s. |
| Watering from above | Mushrooms need to be watered from above to stay humid and continue to grow. |
| Watering frequency | Water for about an hour weekly or bi-weekly during the first six months of mycelium growth. |
| Watering system | Use a sprinkler or a network of tiny hoses with holes from a higher water source. |
| Water type | Use well water or purchase distilled or bottled water. |
| Overwatering | Too much water on the surface of the block can cause problems. |
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What You'll Learn

Mushrooms don't need to be watered like plants
Some growers have also discussed using watering systems, such as hoses, sprinklers, and micro-sprinklers, to water mushroom logs. However, these systems are typically used for outdoor mushroom production and may not be necessary for smaller-scale growers. It is important to monitor the moisture content of the logs and ensure they are not too dry before inoculation.
While mushrooms don't require the same watering techniques as plants, maintaining adequate humidity and moisture levels is crucial for their growth and survival. Growers should pay close attention to their mushrooms' specific needs and adjust their watering practices accordingly.
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Spray bottles are for creating humidity
Unlike plants, mushrooms don't need to be watered. However, they require humidity to grow successfully. Spray bottles are an effective way to create humidity.
Spray bottles are used to mist the area around mushrooms with water. This increases humidity, which is crucial for mushroom growth. It is recommended to spray the area at least 2-3 times a day, or even 3-4 times a day if you don't have a humidifier. You can tell you've sprayed enough when you see condensation form underneath the plastic flaps of your X-cut area.
If you notice that your mushrooms are drying out quickly, you can increase the humidity by misting more frequently. It is best not to miss a day of misting, but if you must, you can create a mini micro-climate around your mushroom kit to maintain humidity. This can be done by placing a wet tea towel around the base of the kit or by placing the kit near a sink filled with water.
Some growers have also suggested using a gravity-fed system with a network of tiny hoses and holes to automatically water mushrooms. However, this method requires manually turning off the water when proper moisture and air levels are reached. Another automatic watering technique involves moistening the medium and covering it with plastic to hold moisture for a long time, similar to a terrarium.
Overall, while mushrooms don't need to be watered like plants, creating humidity through misting or other methods is crucial for their growth and development.
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Misting frequency depends on the dryness of the growing environment
Mushrooms require a humid environment to grow successfully. The humidity level should be maintained at around 90%. However, the frequency of misting depends on the dryness of the growing environment. If the walls of the growing chamber are dry, misting is recommended. Misting frequency can vary from daily to every 3-4 days, depending on the rate at which the environment dries out.
Some growers suggest misting 2-4 times a day. However, it is important to ensure that there is no standing water on the surface of the growing medium, as this can cause problems. If using a spray bottle, it is recommended to mist the area around the mushrooms rather than the mushrooms themselves.
If the growing environment dries out quickly, it may be necessary to create a microclimate to maintain humidity. This can be done by placing a wet cloth or tea towel around the base of the kit or using a sink filled with water. Another option is to cover the growing area with a plastic cover to retain moisture.
For larger-scale operations or when growing mushrooms outdoors, more advanced watering systems may be required, such as gravity-fed systems with tiny hoses or sprinklers. These systems can be automated to maintain proper moisture levels, but they may require adjustments or manual intervention at times.
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Watering from above is not necessary
Mushrooms do not need to be watered in the same way as plants. Watering from above is not necessary, and in fact, it is important to avoid overwatering, as too much water on the surface of the block can cause problems. Mushrooms are sensitive, especially in the early stages of growth, and if they dry out, they will stop growing and die. However, this does not mean that they require watering from above.
The key factor for successful mushroom growth is humidity. Mushrooms thrive in humid environments, and creating this humidity involves misting the area around the mushrooms rather than watering them directly. This can be done with a spray bottle or a mister, and it is recommended to do this at least 2-3 times a day. By misting the air around the mushrooms, you can maintain the necessary humidity levels without risking overwatering.
Some growers have also suggested using a humidifier to create an optimal environment for mushrooms. This eliminates the need for manual misting and helps maintain consistent humidity levels. Additionally, one can try covering the mushrooms with a plastic cover to retain moisture for a longer duration.
For those growing mushrooms outdoors or in larger quantities, more advanced watering systems may be considered. These can include sprinklers, micro-sprinklers, or gravity-fed systems using tiny hoses with holes. However, these systems still focus on creating a humid environment rather than directly watering the mushrooms from above.
In conclusion, while watering from above is not necessary for mushrooms, maintaining humidity through misting or other means is crucial for their growth and development. By understanding the unique needs of mushrooms, growers can create the optimal conditions for a successful harvest.
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Soaking logs before inoculation
While you don't need to water mushrooms like a plant, humidity is a key factor in their growth. Spraying the area around your kit with water can help maintain the humidity levels required for mushroom growth.
Logs should be soaked for 12-24 hours after plugging with spawn. The moisture content of the log needs to be maintained above 35%, and the longer you wait to inoculate, the more likely the log is to dry out. Therefore, it is recommended to soak the logs several days before inoculation.
Logs should be cut from healthy, living trees and inoculated anytime between one day and two months after the tree is felled, with the ideal time being winter into spring when the trees are completely dormant. The sooner the inoculation takes place after the tree is felled, the better.
To prepare the logs for inoculation, drill holes starting two inches from the end of the log and space them six to eight inches apart. Make the rows of holes three to four inches apart along the girth of each log. Use a 5/16-inch bit for plug spawn and drill the holes 1 1/4 inches deep. Once the holes have been inoculated, seal them with melted bees or soy wax.
Some growers also choose to wax the ends of the logs to prevent moisture loss and competitive fungi from gaining a foothold. However, this step is not necessary, and logs with waxed ends may be slower to absorb water during soaking.
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Frequently asked questions
Mushrooms do not need to be watered like plants. They are sensitive and require high humidity to grow, so misting the area around them is recommended.
Mist the area around your mushrooms 2-4 times a day. Ensure the area is uniformly wet, and mist more frequently if it starts to dry out.
If the area around your mushrooms is dry, it's time to mist. You can also check the humidity level with a tool like a hygrometer.
Watering mushrooms from below may be more effective in keeping them humid, but it is also possible to water them from above.
There are a few ways to automatically water mushrooms, such as using a gravity-fed system with tiny hoses or a sprinkler system with a tripod.

























