Indoor Grows

  • Do I need a humidity tent? How do I make one?

    If your home is very dry, and you do not have a humidity-controlled grow chamber, you may need to make a humidity tent to place over the over fruiting block. To do this, find a loose-fitting plastic bag and make plenty of ½-inch holes all over it. Then place it over the fruiting block (that is st...

  • Growing mushrooms indoors

    Depending on your resources and skill level there are several different options for growing mushrooms indoors. If you're just getting started and want minimal investment, Spray and Grow Kits are a great choice. Just mist your kit regularly! A step up is our Advanced Indoor Grow Kits, which take a...

  • How can I tell if my fruiting block is contaminated?

    Chances are, that's not mold - it's mycelium! Your kit includes an amended sawdust block with mushroom mycelium growing through it. The block may appear covered with a soft, white, mold-like substance. That's the mushroom mycelium, and it's totally normal and healthy for your mushroom block. The ...

  • How do I harvest mushrooms off of my fruiting block kit?

    The images shown on the product pages show ideal stage of growth for harvesting. The general rule is that mushrooms should be harvested before their caps flatten or become concave. In the case of lion's mane, before they become yellowed and mushy. Unlike plants, mushrooms grow incredibly fast, so...

  • How often should I water my fruiting block kit?

    Mushrooms need adequate humidity and ventilation to survive and thrive, so proper care is important. You should water a minimum of once a day, spraying the outside of your block over the sliced area. If you live in an area that has low humidity, are growing during winter months, or notice that yo...

  • Psilocybe cultivation

    Growing Psilocybe mushrooms is federally illegal, so we are unable to advise on any cultivation techniques. We are happy to help you get started growing any other (legal) mushrooms!

  • Should I take the fruiting block kit out of the bag?

    You should leave the block in the bag for the entire duration of the growing cycle. The only exception to this is the shiitake block, which should be removed from the bag once it has turned mostly brown.

  • Spawn lead time

    Typically our Spawn orders have a lead time of 2-3 weeks due to high demand and limited availability.  Our production changes based on demand and we are always working to ensure our customers receive a high quality, fully colonized product. We are working on increasing production capacity for bet...

  • There were mushrooms growing on my kit when it arrived, is that okay?

    Sounds like you've got a very vigorous kit! This is totally normal. If you're growing oysters, lion's mane, pioppino, or chestnut you can ignore the mushrooms that may be fruiting inside your bag. If they're easily accessible you can break them off and compost them, so you can start fresh. If yo...

  • What are North Spore fruiting blocks made of?

    Our fruiting block kits are made from sawdust blocks that have been amended with substrate supplements.

  • What are the best fruiting block kits for beginners?

    Oyster and lion's mane mushroom fruiting block kits are great for beginners because they are reliable producers and require the least amount of effort.

  • What temperature should I grow my fruiting block kit at?

    We have listed optimal temperature ranges on each fruiting block kit product page. You can find them in the section below the product description under "Temperature Guide."

  • Where can I find a spore syringe or liquid culture?

    Check out our complete list in our culture bank here.