White Oyster Mushroom Strain (Pleurotus ostreatus) - Best Quality, Fresh Mushroom Mycelium Spawn

White Oyster Spawn for Reliable Pleurotus ostreatus Cultivation

Lab produced, Belgian made, top quality, fresh, mycelium strains 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 on quality. For this reason it may take between 10 to 14 days to produce.

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

EDIBILITY

White oyster mushrooms (Pleurotus ostreatus) are highly edible, delicious, and sought-after, similar to grey oysters, offering a mild, slightly sweet flavor and firm texture.

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 WHITE OYSTER

Substrate: Straw, Hardwood sawdust

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

Fruiting Temperatures:  15-21C, 60-70F

GROWING 

For maximum results it is best that this mushroom is grown indoor 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.

High-Quality Mycelium for Strong Starts

Our white oyster spawn is made for growers who want clean, vigorous, and dependable mushroom production. Derived from the Pleurotus ostreatus strain, this mycelium spawn is selected for strong colonization and consistent fruiting performance. It is well suited for beginners and experienced growers who need stable results across different growing setups. The spawn is prepared with careful quality control to help reduce contamination risk and support healthy growth from the very beginning. With its bright white mycelium and active growth pattern, it gives growers a strong foundation for successful mushroom cultivation.

Fast Colonization and Excellent Yield Potential

This white oyster spawn is valued for its ability to colonize substrate quickly and evenly, helping growers move from inoculation to fruiting with less delay. Fast spawn run time can improve efficiency and reduce the chance of contamination during cultivation. When used with proper substrate and growing conditions, Pleurotus ostreatus can produce attractive clusters of fresh, flavorful mushrooms with strong market appeal. The strain is known for reliable performance in bags, blocks, and other common production methods. Its growth habits make it a practical choice for home growers, small farms, and commercial mushroom operations focused on quality output.

Easy to Use for Home and Commercial Growers

Whether you are starting a small indoor grow or managing larger mushroom production, this white oyster spawn offers a simple and effective solution. It can be used with a variety of substrates, making it flexible for different cultivation styles and skill levels. The spawn is easy to handle, and its active mycelium helps support smooth inoculation and steady development. For growers who value convenience, reliability, and consistent results, it provides an excellent option. By combining good handling practices with proper moisture, temperature, and airflow, users can achieve productive harvests and enjoy the dependable quality that white oyster mushrooms are known for.

Fresh, Versatile, and Market-Ready Mushrooms

White oyster mushrooms are appreciated for their mild flavor, tender texture, and attractive appearance, which makes them popular with chefs, retailers, and home cooks. Using premium white oyster spawn helps growers produce mushrooms that meet market expectations for freshness and quality. The strain supports the cultivation of clean, uniform clusters that can be harvested for local sales or personal use. Because Pleurotus ostreatus grows well in many environments, it is a practical choice for year-round production in controlled conditions. If you want a dependable mushroom spawn that combines freshness, performance, and strong commercial value, this product is an excellent choice for your cultivation goals.