Elm Oyster Mushroom Grain Spawn (2kg)

Take control of your food supply and cut costs—grow your own gourmet mushrooms at home with our high-quality mushroom grain spawn. In a time of rising food prices, this is one of the simplest and most cost-effective ways to produce fresh, nutritious food indoors, year-round.

🌾 What is Mushroom Grain Spawn?

Grain spawn is sterilised grain (such as millet, wheat, or sorghum) that has been fully colonised by mushroom mycelium (the root-like network of the fungus).

Think of it as a “seed” for mushrooms—once introduced to a suitable growing material, it spreads rapidly and produces mushrooms.

⚙️ How It’s Made

Our spawn is produced under clean, controlled conditions to ensure strong, contamination-free growth:

• Carefully selected grain is hydrated and sterilised
• The grain is then inoculated with pure mushroom culture
• Over 10–14 days, the mycelium fully colonises the grain
• Each batch is inspected for vigour, cleanliness, and consistency

🍄 What It’s Used For

Grain spawn is used to inoculate bulk substrates—this is where your mushrooms will actually grow.

You simply:

1. Mix the spawn into your prepared substrate
2. Allow it to colonise (grow through the material)
3. Provide fresh air and humidity
4. Harvest your mushrooms

✔ No garden required
✔ Can be done indoors in a spare room, garage, or kitchen space
✔ Minimal equipment needed

What Substrates Can You Use?

For Oyster Mushrooms (Beginner-Friendly)

• Straw (most popular and affordable)
• Hardwood sawdust or pellets
• Cardboard (small-scale growing)

👉 Very forgiving and fast-growing—ideal for first-time growers.

🎥  Watch the following video on YouTube for growing tips: Growing mushrooms in buckets 

📦 How Much Can You Grow?

With 2kg of grain spawn, you can typically inoculate 8–10kg of bulk substrate.

Expected yields (depending on conditions):

• 🍄 Oyster mushrooms: ~4kg – 8kg fresh mushrooms over multiple harvests (“flushes”) from a single batch: (1 – 4 weeks after fully colonized).

R21/kg – R42/kg of nutritious superfoods – That’s at a fraction of store prices.