Secure Payments

Fast & Free Shipping

Lifetime Guarantee


Our Lifetime guarantee

At Martian Mushrooms we pride ourselves in the quality of everything we sell. As the UK’s leading mushroom company, we go to great lengths to make sure we are giving our customers the best service possible

We’re so confident about everything we have at Martian Mushrooms, that we fully guarantee all our products for your entire lifetime!

Mushroom growing is not easy, and we know mistakes can happen. Our guarantee even applies to ALL of our grow kits, substrates and grains. So when things don’t go as planned, we’ve got you covered! We will replace anything for you free of charge.

Conditions that will invalidate the guarantee 

🧫 Cultures or other growing medium purchased elsewhere will invalidate this guarantee. Due to us not being able to verify the quality of items not purchased from us

🚫 Cultivation of illegal species will void this guarantee

⚖️ This guarantee does not affect or alter your statutory rights in any way

To make a claim on our guarantee fill out the form here


Scroll to Top


If you have an account with us, please log in.

New Customer?

Create a new account with us and you’ll be able to:

  • Check out faster
  • Save multiple shipping addresses
  • Access your order history
  • Track new orders