All-in-one grow bag

Hardwood All-In-One Mushroom Grow Bag

Sterilised organic rye grain and a supplemented hardwood substrate sealed in one bag. Built for gourmet species like Lion's Mane, oyster, shiitake and reishi, with no lab and no guesswork.

€14,90

Weight of a Bag

Package of a

Guaranteed bag sterility Free shipping over €100 Made fresh to order

Customer reviews

What growers say.

4.8 ★ average rating
1500+ growers served
27 EU countries shipped to
“The cleanest bag I have ever worked with”Jonas K. · verified grower, Germany

Why this bag

One sterile bag, zero guesswork

True all-in-one

Sterilised rye grain and supplemented hardwood substrate combined in a single bag. No open-air mixing, where most contamination starts.

Built for clean results

A 0.2 micron filter patch and self-healing injection port let you inoculate safely, with no flow hood needed.

Ready when you are

Pre-sterilised and fully prepared. Inoculate with spores, liquid culture, agar or spawn and let nature do the rest.

Beginner friendly

A supplemented hardwood blend gives optimal moisture and nutrients. Forgiving for first-timers, trusted by experts.

Simple process

From bag to harvest in 3 steps

01

Inoculate

Inject your liquid culture, spores or agar plug directly through the self-healing injection port. No flow hood or open transfers needed.

Day 1

02

Colonize and shake

Keep the bag at 20 to 25°C in a dark spot. When 50% colonized, shake to break up and redistribute the mycelium for faster, even coverage.

Days 7 to 21

03

Harvest and enjoy

Once fully colonized, introduce fresh air and humidity. Pins appear within days. Harvest just before the caps fully open for the best flavour and yield.

Days 21 to 35

The product

Everything you need, in a single bag

Growing wood-loving mushrooms at home has never been simpler. Each Freshrooms Hardwood bag arrives filled with sterilised organic rye grain and a supplemented hardwood substrate, balanced for strong colonization and healthy fruiting of gourmet and medicinal species.

The hardwood blend holds optimal moisture, nutrients and structure while keeping contamination risk low. You skip the riskiest step of all, mixing grain and substrate in the open air, and inoculate straight through the injection port. Ideal for wood-loving species like Lion's Mane, Oyster, Shiitake and Reishi. Just add spores, liquid culture, agar or pre-colonized spawn and let nature do the rest.

  • Grain Sterilised organic rye
  • Substrate Supplemented hardwood sawdust
  • Built in 0.2 micron filter patch and self-healing injection port
  • Made in Sterile, lab-controlled conditions, tested for consistency

Questions

Before you begin

We aim to dispatch every order within 2 to 4 days. Because each bag is prepared fresh to order for the highest possible quality, preparation can occasionally take a little longer during busy periods. If that ever happens with your order, we will keep you posted.

Once your bag is dispatched, delivery within the EU takes 2 to 6 days. We always ship to your home address, tracked door to door.

Sealed bags stay viable for up to 4 weeks at room temperature, or up to 3 months refrigerated. We recommend inoculating within 2 weeks for the strongest colonization.

Keep the sealed bag in a cool, dark place away from direct sunlight. The fridge is ideal if you are not inoculating right away.

Yes. The bag is pre-sterilised and ready to inoculate, so you add your own spores, liquid culture, agar or pre-colonized spawn through the injection port. The genetics are your choice.

Sterilised organic rye grain and a supplemented hardwood substrate, balanced for strong colonization of wood-loving species. A 0.2 micron filter patch and self-healing injection port are built in.

Send us a photo and our growers will diagnose it. If the bag arrived contaminated or faulty, we replace it free of charge. That is our grow promise.

Complete your setup

Goes well together

Your first harvest is closer than you think

Start growing

Ships within 24 hours. Grow promise included.