Mushroom Log Care (2024)

Important I.D. Information

When I inoculate my logs, I can say with 100% certainty that the fungus I am introducing, is an edible variety of Oyster (Pleurotus ostreatus), Shiitake (Lentinula edodes) or other some mushroom species, however, there is always a chance with log cultivation that competitive fungi, which may have pre-existed on the logs, can grow in combination with the introduced species. For example, this past year some of my Shiitake logs began producing Bulgaria inquinans, a jelly like sac fungi, and I also found some Schizophyllum commune (Common Split Gill) on my Oyster logs. I was neither surprised nor upset about finding these on my logs, it is simply something to be aware of. The introduced fungus will almost always outcompete other species in the long term, but competitors will always put up a fight. It is a good idea to familiarize yourself with the characteristics of the edible species you are growing, and be able to differentiate from other species. Usually this is simple, as competitive species rarely closely resemble their edible counterparts.

If you have any further questions regarding your log, feel free to email me at brodie@forestfloormushrooms.com or send a message to me via @forestfloormushrooms on Facebook. The following links are excellent resources, providing detailed cultivation information and instruction as well as photos of stacking methods.

Mushroom Log Care (2024)

FAQs

How often do you water mushroom logs? ›

Step 2, Water: Thoroughly water your log once a week during periods of no rainfall. Continue this routine for 3-4 months, then you may reduce watering to every other week. After 6 months, place your log directly on the ground so that it can wick moisture from the soil.

How do you take care of a mushroom log? ›

You may water your log more often than once a month, if your space is dry, or you feel the log is dry, but don't let it get waterlogged nor sit in standing water. Outdoors, simply place your mushroom log in a spot out of the direct sun and strong winds. In the rain is GREAT!

Can you keep a mushroom log indoors? ›

You sure can. If you don't have a wooded or shady garden area available, you can also grow mushrooms on logs indoors or on your patio, but the logs have to be out of direct sunlight. Dappled sunlight is fine.

Should I seal the ends of mushroom logs? ›

It also helps to keep other fungi out, limiting competition in your log. Wax should be applied to any areas where the bark is damaged or missing. This includes the holes you have drilled for plugs, as well as the cut ends of the log.

Should you wax the ends of mushroom logs? ›

Some growers also wax the ends of their logs to lock in moisture, but that can also lock it out. Another option is to wax one end and not the other, allowing moisture to wick in the unwaxed side during rainfall, during an overnight soak, or when it comes into contact with the moist ground.

Where is the best place to put mushroom logs? ›

Oyster mushroom logs are the perfect addition to any garden. The main requirement is a fully shaded area, or an area that receives only dappled sunlight.

Can mushroom logs be left outside in winter? ›

Most mushrooms that are cultivated are well adapted to very cold weather. A little TLC to avoid the combination of cold and wind will allow your logs to safely lay down for a cold winter's nap.

Do mushroom logs need bark? ›

Intact bark is very important for the spawn run. Never cut dead, dying, or diseased trees for mushroom growing.

What is the best tree for mushroom logs? ›

Many mushrooms will grow on a variety of hardwoods, i.e., oaks or beech, but some are more specific about what species they will grow on than others. Also, keep in mind that some mushrooms prefer to grow on substrates (sawdust, straw, or composted manure) other than intact wood logs.

How old should mushroom logs be? ›

- Mushroom logs require a minimum of 5 months from when they were inoculated. Typically spring inoculated logs will not be ready until the following year. - Shiitake typically take the longest from 5 - 18 months.

How to keep slugs off mushroom logs? ›

Laying copper wire or mesh down underneath your logs creates a field that deters the slugs. The only downside of this method is finding affordable copper if you are growing on a large scale. A similar method is to place your logs on a surface that slugs do not like to cross, such as a gravel pad.

What can I do with spent mushroom logs? ›

Option 2: Enrich your compost.

Spent mushroom blocks are still rich in mushroom mycelium. And while that mycelium may not be able to convert any more sawdust to mushroom fruiting bodies, that myceliated sawdust substrate adds a bonus fungal punch to your compost pile.

How often should I water my mushroom kit? ›

Humidity is a key factor for successful mushroom growth. Spray the area around your kit with a few pumps of water whenever you have a chance, at least 2-3 times a day.

How often do you water a mushroom bed? ›

Step 4: Keep moist and wait

Try to keep the garden bed relatively moist by watering at least once a day with a light shower or mist. You don't want the bed to be logged with water, but it needs a certain level of moisture to initiate mushroom formation.

How to keep mushroom logs from drying out? ›

In times of drought it would be a good idea to give them a soak with a garden hose, but otherwise they should stay perfectly hydrated all on their own with regular rainfall. If propped up the logs should be flipped end over end once every few weeks.

How do you know if mushroom substrate is too wet? ›

A) lots of water dripping shows that the substrate is too wet. b) a few drops released with some pressure show that the substrate is well watered. If it is too dry then with no drops will be released with pressure.

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