Snow Oyster 'Plant & Grow' Garden Block

$29.99

Garden with mushrooms the easy way!

Our USDA Certified Organic Plant & Grow blocks are the easiest way to add mushrooms to your garden. Specifically designed to be no-mess and no-stress, you can plant them alongside your veggies in a garden bed or by themselves. Whether you have a single bed or acres of land, these are the product for you. Think of this as the "seedling" of the mushroom world. Just remove the block and plant directly in soil or mulch.

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Pleurotus ostreatus | USDA Certified Organic

Bring delicate flavor and texture to your garden with our Snow Oyster Plant & GrowTM Garden block. This USDA Certified Organic strain produces clusters of firm, white to cream-colored mushrooms that hold their shape well when cooked. Their mild, sweet flavor and aroma make them a favorite for a variety of dishes.

Snow oysters thrive in cooler, shaded garden spots and are perfect for beginner mushroom growers. Once planted in the soil and kept moist, they reliably produce generous flushes of mushrooms. With proper care, you can expect multiple harvests throughout the growing season.

Receiving and Storage

Remove kit from the shipping box as soon as possible. Then, unfold the top of the bag, making room for air space. It's also important to check and confirm that the filter patch is not obstructed. This will help the organism breathe and continue to thrive!

Fruiting blocks should be used within 1 week of receipt. If you don't plan to use immediately, you can refrigerate your block for up to 6 months.

How to Grow

Oyster mushrooms are vigorous, fast-growing, and perfect for new outdoor cultivators. With their dramatic colored caps and savory flavor, they bring both beauty and bounty to shaded garden spaces.

How to Initiate Fruiting Outdoors

  • Choose a shaded location: Find a cool, humid spot like under trees, beside a fence, or in a sheltered garden bed.
  • Bury your block: Remove the plastic entirely from your block. Bury the block completely and cover with about 1" of soil or mulch.
  • Maintain consistent moisture: Mist the surrounding soil or mulch regularly (1–2x daily in dry weather) to prevent the block from drying out.

When to Plant

  • Oysters thrive in cooler temperatures (ideally 55–65°F), making spring and fall the best seasons for outdoor cultivation.

Special Considerations

  • Watch for rapid growth—oysters can mature quickly and drop spores if not harvested in time.
  • Consider placing straw or leaf mulch around (not on) the block to help regulate humidity without suffocating airflow.

Harvesting

  • Pick clusters when cap edges are still curled under for best texture, flavor, and shelf life.
  • Harvest young to reduce spore production and improve storage.
  • Use both hands or a clean knife to gently remove entire clusters without damaging the substrate.

With minimal effort, oysters will often produce multiple flushes—making them one of the most rewarding mushrooms to grow in the garden.

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Frequency Asked Questions

It’s as simple as planting tomato seedlings! Just bury the block in a shaded, moist spot in your garden and keep it lightly watered. The mushrooms do the rest—no complicated setup or special tools required.

Choose a shaded, humid area such as under shrubs or in a garden bed that stays moist. Mushrooms thrive in indirect light and cooler, stable conditions. Planting next to leafy vegetables is a great way to keep the mushrooms cool and shaded

You can see mushrooms in as little as 1-2 weeks. The Plant & Grow method is designed for fast results and multiple flushes

Yes! The Plant & Grow blocks are designed for anyone who can grow a basic garden plant. They’re USDA Certified Organic and nearly foolproof for first-time mushroom growers.

Cluster of brown-capped mushrooms with long, light-colored stems against a white background.

Backed by Our 100% Grow Guarantee

Every kit comes with our 100% Guarantee: You’ll get your first flush of mushrooms, or we’ll make it right. With over 350,000 happy growers, North Spore is trusted by hobbyists, chefs, and mycologists alike.

Crafted to the Highest Standards

Our mushroom spawn is made to mycologist-approved standards at every step of the way. Starting with USDA-Certified Organic ingredients, we mix each bax of substrate to perfect. We inoculate our products in a custom-built mushroom lab, in clean rooms that have more oxygen exchanges per hour than a hospital operating room. Every bag is carefully monitored for full colonization and the best product is hand-selected to ship to our customers.

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