Get started on growing your own mushrooms with our 32 oz spawn jar.

Made with sterilized rye berry grain spawn, this spawn jar is perfect for both beginners and experienced growers alike.

The self-healing injection port allows for easy inoculation and the wide mouth jar makes it easy to check on the progress of your mushroom growth. With this spawn jar, you'll be able to cultivate your own delicious and nutritious mushrooms in no time. Whether you're looking to grow shiitake, oyster or other types of mushrooms, this spawn jar is the perfect tool to get you started.