Mushroom Growing Substrates



Sterilized Rye Berry Mushroom Substrate With Self Healing Injection Port

Sterilized Rye Berry Mushroom Substrate With Self Healing Injection Port

Sterilized rye berry mushroom substrate bags with self healing injection port. Each bag weighs one pound and is equal to one quart in volume. Each...

$6.95

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Brown Rice Flour Based All in One Mushroom Grow Bag ™

Brown Rice Flour Based All in One Mushroom Grow Bag ™

For your convenience Out-Grow has made an all in one brown rice flour and vermiculite based mushroom grow bag substrate to simplify the mushroom...

$20.00

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Manure Based All in One Mushroom Grow Bag ™

Manure Based All in One Mushroom Grow Bag ™

For your convenience Out-Grow has made an all in one manure based mushroom grow bag substrate to simplify the mushroom cultivation process. This all...

$20.00

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Wood Based All In One Mushroom Grow Bag ™

Wood Based All In One Mushroom Grow Bag ™

For your convenience Out-Grow has made an all in one wood based mushroom grow bag substrate to simplify the mushroom cultivation process. This bag...

$20.00

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Wheat Straw Based All in One Mushroom Grow Bag ™

Wheat Straw Based All in One Mushroom Grow Bag ™

For your convenience Out-Grow has made an all in one wheat straw based mushroom grow bag substrate to simplify the mushroom cultivation process. This...

$20.00

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Quart Jar of Sterilized Popcorn Mushroom Substrate

Quart Jar of Sterilized Popcorn Mushroom Substrate

Well, we know a lot of people prefer the traditional methods of colonizing grains, which is in quart jars. This sale is for 1 quart jar of fully...

$10.00

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Quart Jar of Sterilized Rye Grains with Self Healing Injection Ports

Quart Jar of Sterilized Rye Grains with Self Healing Injection Ports

Well, we know a lot of people prefer the traditional methods of colonizing grains, which is in quart jars. This sale is for 1 quart jar of fully...

$10.00

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Quart Jar of Sterilized White Millet Mushroom Substrate

Quart Jar of Sterilized White Millet Mushroom Substrate

Well, we know a lot of people prefer the traditional methods of colonizing grains, which is in quart jars. This sale is for 1 quart jar of fully...

$10.00

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BRF JARS ™ Brown Rice Flour Based Mushroom Substrate

BRF JARS ™ Brown Rice Flour Based Mushroom Substrate

Brown rice flour based mushroom substrate fully sterilized in easy to inoculate half pint jars. BRF jars are the perfect growing medium for almost...

$5.25

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Pint Jar of Sterilized Rye Grains

Pint Jar of Sterilized Rye Grains

This sale is for 1 pint jar of fully hydrated and sterilized rye grains with self healing injector port and 5 micron gas exchange filter. These jars...

$8.00

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Mono Tub Fill Kit ™

Mono Tub Fill Kit ™

Three 1 pound bags of rye berries, two 5 pound bags of Manure Based Mushroom Substrate and one 1 pound bag of casing. This is perfect for any...

$55.00

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Sterilized Rye Berry Mushroom Substrate Bag

Sterilized Rye Berry Mushroom Substrate Bag

  Yet another addition to our mushroom growing supplies! Sterilized rye berries mushroom spawn. We only use 100% certified organic rye berries...

$6.00

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Sterilized Popcorn Mushroom Substrate Bag

Sterilized Popcorn Mushroom Substrate Bag

Out-Grow only uses 100% certified organic popcorn grains for our popcorn based mushroom substrate grow bags. Popcorn mushroom substrate makes a...

$6.00

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BRF BAGS Brown Rice Flour Based Mushroom Substrate

BRF BAGS Brown Rice Flour Based Mushroom Substrate

BRF Bags (Brown Rice Flour Mushroom Substrate) This sale is for 1 bag These bags contain 8 ounces of brown rice flower and vermiculite mushroom...

$4.75

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Two Pound Sterilized Rye Berries Bag With Injector Port

Two Pound Sterilized Rye Berries Bag With Injector Port

This sale is for a 2 pound (equal to 2 quarts) bag of rye berries. The rye comes pre-hydrated and sterilized in a convenient mushroom grow bag with a...

$12.50  $9.95
Save: 20% off


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5 pound bag Hardwood substrate for all wood loving fungi species

5 pound bag Hardwood substrate for all wood loving fungi species

This sale is for 5 pounds of hardwood mushroom growing substrate. This mushroom substrate can be used for any wood loving mushroom species. 10%...

$16.00

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Pasteurized Wheat Straw (5lbs)

Pasteurized Wheat Straw (5lbs)

Here we have 5 pounds of chopped, cleaned and pasteurized wheat straw. This is the perfect mushroom growing substrate for many types of mushrooms....

$17.00

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Manure Based Mushroom Growing Substrate

Manure Based Mushroom Growing Substrate

Manure Based Mushroom Growing Substrate Please note if you plan to start from a spore solution you need to begin with sterilized rye grains before...

$6.00

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50/50 Horse Manure and Straw Mix Mushroom Substrate

50/50 Horse Manure and Straw Mix Mushroom Substrate

Out-Grow's 50/50 Mix 50% of our great horse manure based mushroom substrate and 50% golden wheat straw You can choose either 1 pound bags or 5 pound...

$6.00

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Four Quart Jars of Sterilized Rye and Four One Pound Bags of Manure Based Substrate

Four Quart Jars of Sterilized Rye and Four One Pound Bags of Manure Based Substrate

Enjoy a bulk discount when you buy four quart jars of rye berries and four 1 pound bags of Manure Based Mushroom Substrate. By using a 1:1 ratio (1...

$43.00

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Pasteurized Mushroom Casing

Pasteurized Mushroom Casing

Pasteurized Mushroom Casing To compliment our other Sterilized Mushroom Growing products, we now offer mushroom substrate casing as well. Out-Grow's...

$6.00

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Brown Rice Flour and Vermiculite Mushroom Substrate

Brown Rice Flour and Vermiculite Mushroom Substrate

To help make mushroom cultivation easier Out-Grow now offers a nutrient rich brown rice flour and vermiculite mushroom substrate dry mix. Out-Grow...

$25.00

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