Popular Shiitake, Oyster, Maitake, Enoki and Morel mushrooms are cultivated commercially and at home by backyard enthusiasts. In the wild, these mushrooms are found growing near or on downed oak, alder, birch, elm and ash trees. Mushroom farms growing mushroom trees inoculate oak, alder, birch, elm and ash sawlogs with Shiitake, Oyster, Maitake, Enoki and Morel mushroom spores for cultivation. An oak, alder, birch, elm and ash tree log in the backyard will provide mushrooms for a family of four without much of a problem.
Sawlogs used to grow mushroom trees should be cut in the dormant season when stored nutrient level is highest. January is a great month to prepare logs. Typically, they are cut into 2 or 3-foot lengths and should be about 16 inches in diameter so they are easier to handle by hand. Once cut, wait at least 2-3 weeks before you inoculate. A living tree will fight and reject the spawn. The logs used to create your mushroom tree should produce a pound of mushrooms per year for five years or more before it breaks down.
Mushroom spores are purchased as plugs packaged in trays. To hasten mushroom growth, it is important to cover the entire face of the log with drill holes a little larger and deeper than the plug. Once all the drill holes are filled with spawn, it will take a year or so until the first mushrooms to appear on your mushroom trees.
Mushroom tree sawlogs can be orientated vertically or horizontally. Large diameter sawlog mushroom trees can be used to grow mushrooms vertically. The large base will ensure stability each season. Vertical sawlogs have the advantage of exposing more area of the log for mushroom growth. It’s advisable to pick just 20% of the mushrooms each year to keep your mushroom tree producing mushrooms year after year.
Morel mushrooms are better suited for forest floor inoculation. Morel mushroom spore is mixed with water to create a type of slurry. Adding some molasses will provide natural sugars to germinate the spores.
The next step is to identify suitable tree species such as ash, elm and fruit trees for inoculation. Trees should be at least 8 inches in diameter so the tree will have a fairly developed spreading root system. Spread the slurry over the ground in a tight circle about 8 feet across. Alternatively, you can dig down a little and expose a few lengths of root and spread the slurry directly on top. It is important to slurry tree roots one at a time and cover immediately before the spores have a chance to dry out.
With some advance planning, the forest floor of an entire 5-acre fruit orchard can be inoculated with spore of morel in just under a week. A mushroom tree orchard could make more money than selling fruit.
Most mushroom varieties are found growing in the forests and woodlots of Northern Europe, North America and Asia. Almost all wild mushrooms are poisonous. Only a few are considered edible, most found growing on a decaying hardwood substrate. Only a few mushrooms are considered edible.
Shiitake mushrooms grow in the wet, dark forests of Southeast Asia on specific types of deciduous trees that include poplar, beech, oak, sweet gum, ironwood and Chinese chinquapin - these make the best mushroom trees. Until the late sixties, only traditional growing methods were used for growing mushrooms. This involved cutting these trees into 10-foot logs and laying them down on the forest floor one beside the other next to a Shiitake mushroom outgrowth. A year or two after cutting, spores from the Shiitake mushroom outgrowth would populate the cut logs. Today, Shiitake mushrooms are cultivated all over the world thanks to new cultivation methods developed by American plant breeders. Shiitake mushrooms are used in traditional Chinese medicine and culinary dishes including Japanese miso soup and Chinese Buddha’s delight.
Varieties of shiitake mushrooms:
Oyster mushrooms, sometimes called “tree mushrooms”, are found growing on the sides of tree trunks. Oyster mushrooms are one the most cultivated mushrooms in the world because they are easy to grow, profitable and popular with consumers. Oyster mushrooms are known as “gilled mushrooms” and typically grow without a stem. They grow in layers, one stacked on top of another attached to tree bark. Oyster mushrooms grow on tropical and temperate hardwood trees such as oak. Oyster mushrooms are popular in a stir-fry and meat recipes, particularly beef and pork dishes.
Varieties of oyster mushrooms:
Maitake mushrooms for the most part grow on downed oak trees in their natural habitat. In Europe, Maitake mushrooms are called the “hen-of-the-woods” because they taste a little like chicken when cooked. Maitake mushrooms have been used by Chinese and Japanese herbalists for centuries to balance the body. New research has revealed Cancer fighting properties able to stimulate a patient’s immune system. Maitake mushrooms have been found to naturally lower blood sugar levels in diabetics.
Varieties of maitake mushrooms:
Another Asian mushroom, Enoki mushrooms grow in the wild on the “enoki tree” of Japan. Wild Enoki mushrooms are different from cultivated Enoki in that they are smaller and not as flavorful. Wild Enoki grow large stems, which are wider at the bottom than the top forming a sort of “foot” at the base. They are also dark colored, typically many shades of brown. Cultivated Enoki grow in lightless conditions so they can be harvested white, which fetch the highest dollar or Yen as may be. Enoki mushrooms are popular in Japanese dishes like sukiyaki and nabemono.
Varieties of enoki mushrooms:
Native to North America and Europe, Morel Mushrooms are the most popular mushroom of all. Used mostly in French cuisine, Morel mushrooms are sliced lengthways and fried. Morel mushrooms grow predominately on the forest floor near the base of specific species of hardwoods. Morel spawn root near the base of the tree so they can reach and feed off tree roots just under the soil surface. Tree types for Morel growth include ash, elm and apple, which is why orchards are popular with Morel hunters.
Varieties of morel mushrooms:
Some of the most poisonous mushrooms in the world include the Death Cap mushroom (Amanita phalloides), which contains highly toxic amatoxins that can cause severe liver and kidney damage; the Destroying Angel mushroom (Amanita virosa), which also contains deadly amatoxins; the Deadly Dapperling mushroom (Lepiota brunneoincarnata), which can cause severe gastrointestinal distress and organ failure; and the Fool's Mushroom (Amanita verna), which can cause liver and kidney damage and is often mistaken for edible mushrooms. Other highly poisonous mushrooms include the Panther Cap (Amanita pantherina), the Conocybe filaris, and the Autumn Skullcap (Galerina marginata). It is important to note that even experienced foragers can mistake toxic mushrooms for edible ones and consuming any wild mushroom should only be done with expert guidance and caution.