Popcorn Mushroom Substrate Jar 1qt

Popcorn Mushroom Substrate Jar - 1qt

The 1 Quart Popcorn Mushroom Substrate Jar is a reliable and nutrient-dense substrate option for mushroom cultivation. Fully hydrated and sterilized, this jar contains high-quality popcorn, which is known for its excellent moisture retention and nutrient content, promoting healthy mycelial colonization and robust mushroom growth.

Packaged in a 1-quart jar, it includes a 5-micron filter patch for optimal gas exchange and a self-healing injection port for contamination-free inoculation. This versatile substrate is ideal for cultivators of all levels, supporting multiple mushroom flushes with ease.

Whether you’re growing mushrooms as a hobby or commercially, this popcorn mushroom substrate jar provides a consistent, high-quality growing environment for a variety of mushroom species.

Click here to learn how to use this product.

Other sizes and formats

• Popcorn Mushroom Substrate Grain Bag 1lb — $7.73
• Popcorn Mushroom Substrate Grain Bag 3lb — $19.52
• Popcorn Mushroom Substrate Grain Bag 5lb — $25.70
• Popcorn Mushroom Substrate Jars 12-Pack — $119.74
• Popcorn Mushroom Substrate Grain Bags 25lbs — $134.42

See all grain bags

What you'll need with it

• Spawn it into a bulk substrate — manure, pasteurized straw or hardwood
• Growing button or portobello? You also need casing soil

Guides

• How to use Popcorn Mushroom Substrate Jar 1qt
• Spotting contamination early
• How long grain spawn keeps
• Which substrate suits which mushroom

Work out how much you need · Free shipping over $150.