Mushroom cultivation can be both an exciting and rewarding hobby. But
before you start growing those delightful fungi, you should understand
the importance of mushroom substrates. This quick and helpful guide to
mushroom substrates will provide you with all the information you need
to get started on your mushroom cultivation journey.
What Are Mushroom Substrates?
Mushroom
substrates might sound complex, but they’re simply the material that
mushrooms use as a source of nutrition and to grow on. Think of
substrates as mushrooms’ home and food all in one. In nature, mushrooms
grow on materials like decaying wood, organic debris, and even animal
dung. But when cultivating mushrooms indoors, you need to create the
optimal environment for their growth, and substrates play a key role.
The Must-Haves of a Mushroom Substrate
For a substrate to be ideal for mushroom growth, it must meet certain criteria. The substrate should do the following:
Common Types of Mushroom Substrates
This
quick and helpful guide to mushroom substrates wouldn’t be complete
without discussing some common substrate materials you might encounter
in your journey.
Sawdust and Wood Chips
Sawdust is an
excellent substrate for wood-loving species like shiitake and oyster
mushrooms. You may also mix in wood chips, as they provide an additional
food source and better air exchange.
Straw
Straw,
especially chopped wheat, barley, or oat straw, is a popular substrate
for fast-growing mushrooms like oyster and paddy straw. It’s affordable,
easy to sterilize, and provides a good balance of nutrients.
Rye Grain
Rye
grain is another favorite substrate among growers. It contains high
amounts of carbohydrates and proteins, making it an ideal food source
for mushrooms. It’s often a “spawn,” which is a medium that promotes the
growth of mycelium before transferring to another substrate.
Compost/Manure
Compost
or manure-based substrates work best for growing mushrooms like button
or portobello. These substrates contain an abundance of nutrients and
trace minerals, ensuring healthy growth.
Now that you know more
about substrates, you’re well on your way to growing your own delicious
and nutritious mushrooms. For a hassle-free growing experience, try
Midwest Grow Kit’s glass mushroom jars. These pre-sterilized jars provide the perfect balance of nutrients and moisture for your mushrooms.