A fully colonized 4 kg block of Lion’s Mane mycelium, ready to grow. Just place it in a humid environment and mist regularly.
Fast-growing 4 kg block, fully colonized and ready to burst with beautiful blue mushrooms.
A bright and fast-growing 4 kg fruiting block. Fully colonized and ready to bring stunning pink clusters to life.
A fast-growing 4 kg fruiting block packed with golden-yellow mushrooms. Fully colonized and ready to fruit in warm, humid conditions.
A 4 kg block of fully colonized Ganoderma lucidum—grow your own legendary “Mushroom of Immortality.”
A fully colonized 4 kg block of Pleurotus eryngii — grow thick, gourmet mushroom stems with long shelf life and rich umami flavor.
A slow-growing 4 kg block of Grifola frondosa – the Dancing Mushroom. Fully colonized and ready to produce medicinal, gourmet clusters.
A 4 kg block of fully colonized Pioppino mycelium. Easy to fruit and packed with flavor and texture.
A 4 kg block of Trametes versicolor, fully colonized and ready to produce medicinal mushroom fans with powerful wellness benefits.
A fully colonized 4 kg block of Enoki mycelium. Cultivate your own crisp, slender mushrooms at home — in classic long-white or wild-style.
Fully colonized 4 kg Shiitake block. Just soak, rest, and fruit — no special equipment required.
A 4 kg fruiting block fully colonized with Black King Oyster mycelium. Ready to grow with just humidity and fresh air.
Lab-tested Blue Oyster mycelium on grain for fast colonization of pasteurized or sterilized substrates.
Professional-grade grain spawn for growing Hericium erinaceus. Ideal for use with sterilized or pasteurized substrates.
Fast-colonizing Lentinula edodes grain spawn for log or substrate-based cultivation. Lab-tested and high-performing.
High-speed spawn for warm-season cultivation of vibrant Pleurotus djamor. Great for straw, sawdust, and more.
Aggressive Pleurotus eryngii mycelium on grain. Perfect for enriching sawdust substrates or bottle culture systems.
Stable and slow-growing Grifola frondosa mycelium on grain. Ideal for enriched hardwood substrates.
Clean, potent Trametes versicolor mycelium on grain. Ideal for outdoor logs, sawdust blocks, or medicinal grows.
Clean, vigorous Ganoderma lucidum mycelium on grain. Ideal for inoculating sterilized hardwood-based substrates.
Clean, aggressive mycelium for growing Pleurotus ostreatus, Ideal for supplemented sawdust or straw-based blocks.
Warm-weather oyster spawn with vivid golden yields. Fast, aggressive colonizer for straw, sawdust, and more.
Stable, sterile liquid culture of Reishi mycelium. Ready to expand to grain jars or agar for medicinal mushroom production.
Fast-growing mycelium in a sterile nutrient broth. Ideal for creating your own spawn or lab-scale expansions.
Sterile liquid culture of King Oyster mycelium. Clean, vigorous, and perfect for creating your own spawn.
Sterile liquid culture of fast-growing Golden Oyster mycelium. Ideal for summer mushroom projects.
Rapid-growing LC for warm-loving pink oysters. Sterile, aggressive, and ideal for short-cycle mushroom production.
Fast-colonizing liquid culture for grain jars, agar, or DIY spawn setups. Sterile, strong, and beginner-friendly.
Sterile liquid culture syringe of fast-growing Shiitake mycelium. Perfect for making your own spawn or agar cultures.
Sterile liquid culture syringe for inoculating grain spawn or agar plates. Clean, fast, and perfect for building your own growing chain.
Sterile mycelium culture for grain or agar expansion. Slow, but beautifully productive in cold conditions.
Sterile mycelium in nutrient broth, ready to inoculate grain or agar. For beautiful, nutty-flavored gourmet mushrooms.
Slow but steady – liquid culture of Grifola frondosa mycelium, perfect for grain inoculation or agar expansion.
Sterile liquid culture of Trametes versicolor mycelium. Ideal for producing your own medicinal spawn and extract-grade mushrooms.
Reishi (Ganoderma lucidum) – Dried, Coarsely Ground Powder
Siberian Chaga (Inonotus obliquus) – Dried, Finely Ground Powder
"Mushroom Substrates and Grain Spawn – That’s Us!
Welcome to svethub.sk – your gateway to the world of mushrooms!
We are dedicated to the professional production of mushroom substrates, top-quality grain spawn, and education in mushroom cultivation.
Whether you're a complete beginner or a seasoned grower, you're in the right place. With us, growing mushrooms is easy and enjoyable. Let’s explore the amazing world of fungi together!
With our fully colonized mushroom substrates—the large in-stock selection available—anyone can start growing mushrooms successfully. We also regularly create helpful video tutorials to guide you every step of the way.
Our main focus is supporting small and mid-sized farms by providing ready-to-fruit mushroom blocks, making commercial cultivation more accessible and efficient without the need for complex infrastructure. Wholesale pricing is available for farm partners and bulk orders—just get in touch!
Prefer to create your own substrates? Our premium grain spawn is made from carefully selected mother cultures, giving you the perfect foundation for your home or commercial growing projects.
Our company, Green Plant s.r.o., has been active professionally since 2015. In 2021, we decided to make mushroom cultivation accessible to every enthusiast and home gardener. That’s why svethub.sk was born.
Here, mushrooms are not just our business—they’re our passion.
Grow mushrooms with us!
Latest discussion
Hliva Kráľovská - Hubový Substrát
Sterilizovaná zmes zŕn na prípravu sadby
Koralovec Ježovitý - Hubový Substrát
