Elm Oyster Mushroom Strain (Hypsizygus ulmarius) - Fresh Mushroom Mycelium Spawn

Why Choose Elm Oyster Hypsizygus Ulmarius Mushroom Spawn

Lab produced, Belgian made, top quality, fresh mycelium spawn on sterilized rye grain berries in special sealed mushroom bags.

Once the bag is opened, the spawn must be used and applied to the substrate immediately. You will receive ready colonized rye grain spawn for inoculation on various fruiting substrates of your choice. Your spawn is prepared fresh after ordering to maximize quality. For this reason, it may take between 10 to 14 days to produce.

Ideally, the product should be used immediately after delivery, but it can be stored in the fridge at 4° Celsius for a maximum of two months and will still be viable - respect the expiry date on the package.

EDIBILITY

It is considered an excellent edible mushroom and is even grown commercially.

HOW MUCH SPAWN TO BUY

The weight of your mushroom spawn ordered determines its intended use, so:

300g - Used to inoculate a sterilized/pasteurized block of 1.5 Kg
500g - For larger sterilized/pasteurized substrate inoculations of up to 2.5 Kg.

BEST GROWING CONDITIONS FOR ELM OYSTER

Substrate: Hardwood sawdust, pine sawdust, straw, cottonseed hulls, sugar cane, coffee, and paper products

Colonization Temperature: 21-24C, 70-75F

Fruiting Temperatures: 10-18C, 50-65F

GROWING

For maximum results, it is best that this mushroom is grown indoors within a hydroponics grow room/tent, but a clean area or dark corner where there is a decent amount of humidity, air exchange, and constant temperatures could also be used.

A humidifier would help to monitor humidity. Do not put in direct sunlight and watch out for gnats.

Reliable Strain for Consistent Mushroom Growth

The elm oyster hypsizygus ulmarius mushroom is a highly valued edible strain known for its strong performance, clean fruiting, and excellent growing results. This fresh mycelium spawn is prepared to support healthy colonization and steady development across a suitable growing medium. Growers appreciate its ability to produce attractive, firm mushrooms with a mild, pleasant flavor. Whether you are a home cultivator or a commercial grower, this strain offers dependable quality and a practical way to expand your mushroom production with confidence.

Fresh Mycelium Spawn for Better Colonization

High-quality spawn is one of the most important parts of successful mushroom cultivation, and this product is made to deliver strong and active growth. The elm oyster hypsizygus ulmarius mushroom spawn is fresh, vigorous, and ready for use in controlled growing environments. It supports even colonization, helping reduce weak spots and improving the chances of a healthy harvest. With proper temperature, humidity, and substrate preparation, growers can expect a smooth growing cycle and consistent results. This makes it a smart choice for anyone who wants reliable mushroom performance from start to finish.

Ideal Choice for Edible and Gourmet Production

Known for both quality and versatility, the elm oyster hypsizygus ulmarius mushroom is a great option for edible and gourmet mushroom cultivation. Its large, elegant fruiting bodies and refined texture make it appealing in kitchens and markets alike. The strain is suitable for growers who want a mushroom that combines good flavor with strong visual appeal. It performs well when managed carefully and can be a rewarding addition to indoor growing setups, farms, and specialty mushroom projects. If you are looking for a premium strain with dependable growing potential, this spawn is an excellent place to begin.

Best Quality Spawn for Serious Growers

Choosing the right spawn can make a major difference in your harvest quality, and this product is designed for growers who value consistency and results. The elm oyster hypsizygus ulmarius mushroom spawn offers a strong foundation for productive cultivation, helping support healthy development from inoculation to fruiting. Its fresh and active nature makes it suitable for careful growers who want to maintain control over their mushroom projects. With proper handling and growing conditions, this strain can produce satisfying yields and reliable crop quality. It is a practical, high-value option for mushroom enthusiasts and professional producers alike.

Frequently Asked Questions

How should I store the spawn before use?
Use it as soon as possible after delivery. If needed, store it in the fridge at 4° Celsius for up to two months, and always follow the expiry date on the package.

What substrates can I use with Elm Oyster spawn?
This spawn can be used on hardwood sawdust, pine sawdust, straw, cottonseed hulls, sugar cane, coffee, and paper products.

Is this mushroom edible?
Yes, the elm oyster hypsizygus ulmarius mushroom is considered an excellent edible mushroom and is also grown commercially.

How much spawn do I need?
300g is suitable for a sterilized or pasteurized block of 1.5 kg, while 500g is intended for larger substrate inoculations of up to 2.5 kg.