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A Simple Method for Growing Oyster Mushrooms Indoors


Oyster Mushrooms

Some I grew using this method




This method is from Fungi Magazine, Vol. 6, No. 4


Ingredients:
  • 4 cups of Purina's "Yesterdays News" Kitty Litter (unused)
  • 4 cups of de-chlorinated water (distilled water will do)
  • 1/3 cup of Guinea Pig Food
  • 3/4 cup of Oyster mushroom spawn (Pleurotus ostreatus is a good one)
  • plastic newspaper sleeve

This is a second, modified recipe from Fungi Magazine, Vol. 11, No. 4
Double sized recipe.

  • 4 cups of Purina's "Yesterdays News" Kitty Litter (unused)
  • 4 cups of hemp hurds
  • de-chlorinated water (distilled water will do), to point of being moist
  • 1/2 cup of "sWheat Scoop" (wheat grain based kltty litter - Nitrogen source)
  • 1 cup of mushroom spawn (Pleurotus ostreatus is a good one)
  • plastic newspaper sleeve, or mushrooming grow bag
Directions:
  1. Wash hands and any utensils well. Mix all dry ingredients, excepting spawn, in large bowl. Slowly pour water into mixture, mixing frequently. Let sit a few minutes for water to absorb. No water should pool at the bottom. Stir well.


  2. Add the oyster spawn, mixing thoroughly. Pour mixture into plastic newspaper sleeve or grow bag, tamping down to remove as much air as possible. Tie off top. Mark date on bag.


  3. Let sit in an area that's cool and well-lit room (60 to 70 degrees, optimal). Avoid direct sunlight.


  4. Inspect bag daily. Between 2.5 and 3 weeks white mycelium should have completely colonized the bag. If any signs of green mold are visible in bag, discard in outside trash.


  5. Fruiting methods

    • Fruiting method 1: Cut 4 slits in bag, 1 to 1.5 inches long. If you see what appears to be a small mushroom forming under the plastic, that's a good place to make a cut.
    • Fruiting method 2: Open bag, rolling down to top of mixture. Mushrooms should form at open end.


  6. Mist the bag several times a day, using dechlorinated water. Keep misted, but allow the mushrooms to dry between misting. Water evaporation stimulates mushroom growth.


Once the initial fruiting is over, close if using method two, move the bag to a dark place for about 2 to 3 weeks. Repeat Steps 4 - 6. If you are lucky you'll get a second fruiting. It will not likely be as big as the first. Spent media makes good soil amendment.


If you don't see primordia (baby mushrooms buds) after 4 to 5 weeks, place bag in refridgerator a day or two, then start back at step 4.


There are many sources for mushroom spawn. Here is a reliable one I like: Mushroom Mountain. They also have a good section on cultivation.


Happy Mushrooming




"Meditation is not a means to an end. It is both the means and the end." - Krishnamurti