Coffee Grow Kit

£15.50

Grow your own Grey Oyster mushrooms on your own coffee grounds. Our kits give you all you need to grow and harvest your own crop of Grey Oyster Mushrooms on freshly brewed coffee grounds.

Oyster mushrooms thrive on coffee grounds and this kit is a wonderful project for anyone wanting to learn more about growing mushrooms.  Our Coffee Grow Kit comes with everything you need to get growing; you just need to collect the coffee.  

Description

At Caley Brothers HQ, we grow Oyster Mushrooms on used coffee grounds on a commercial scale, and it’s an amazing journey to be on, saving waste from landfill to grow food.  So here we have created a small-scale kit to give you a taste of growing mushrooms from scratch.

As part of your Coffee Grow Kit, we send out the freshest grain spawn – this will need to be kept refrigerated until you’re ready to make your kit - to give you the best chances of growing this will need to be kept refrigerated and used within 4 weeks.    

We guarantee to get you growing your 1st flush, you can follow the instructions to try for a second or third flush. You can grow up to 150g of fresh Grey Oyster Mushrooms over 2 harvests.

See instructions HERE

Important Information

Use by date: The spawn within your kit must be used within 4 weeks from receipt. 

Storage: Please keep your spawn refrigerated till ready to use.

During the inoculation period of 21 days store in a dark cupboard at around 17oC.  While growing keep in a bright spot but out of direct sunlight and remember to water daily –

PLEASE FOLLOW THE INSTRUCTIONS PROVIDED. Inside your kit: 100g of fresh spawn on grain, plastic grow bag, full set of growing instruction and growing guidance, sticker, postage box and branded sleeve.  

Coffee not included.

Postage & Delivery Policy

  • All prices include delivery - excluding Highlands, Islands and Northern Island where a £3 delivery charge applies.

  • We ship orders using YODEL 48-hour tracked service. On the date of collection, you will receive an email from us confirming dispatch, followed by an email from YODEL with your tracking number.

  • If you have specific delivery preferences, such as requiring the courier to ring the doorbell or leaving your parcel in a safe place,we strongly advise that you update your delivery preferences directly with YODEL via their tracking portal to ensure they follow your instructions.

  • Important Notes:

    • While we can pass delivery preferences to the courier, we cannot guarantee their compliance.

    • Once an item is marked as delivered, we cannot be held liable for loss or theft if the parcel is left unattended.

Alternative Shipping:
Occasionally, we may use Royal Mail 48-hour tracked service. In these cases, you will receive an email from us with shipping confirmation and tracking details.

Delivery Times:

  • Please allow 3–5 working days for delivery once you have received your dispatch email.

  • If your items have not arrived within 7–10 days, please contact us immediately.

  • Important: We are unable to track or ensure safe delivery of items after 21 days from the dispatch date. If the courier marks an item as delivered, we cannot be held responsible for loss or theft.

  • PLEASE ENSURE TO READ OUR DELIVERY POLICYAdditional information

Recycling your kit: All paper and card can be recycled with your standard card recycling.  The plastic bag can be cleaned and recycled with your soft plastic recycling.  Your coffee grounds and used substate block can be composted or disposed of along with your normal food waste. Approx. weight: 200g Approx. Dimensions: 24x17x4cm

Quantity:
Add To Cart

Grow your own Grey Oyster mushrooms on your own coffee grounds. Our kits give you all you need to grow and harvest your own crop of Grey Oyster Mushrooms on freshly brewed coffee grounds.

Oyster mushrooms thrive on coffee grounds and this kit is a wonderful project for anyone wanting to learn more about growing mushrooms.  Our Coffee Grow Kit comes with everything you need to get growing; you just need to collect the coffee.  

Description

At Caley Brothers HQ, we grow Oyster Mushrooms on used coffee grounds on a commercial scale, and it’s an amazing journey to be on, saving waste from landfill to grow food.  So here we have created a small-scale kit to give you a taste of growing mushrooms from scratch.

As part of your Coffee Grow Kit, we send out the freshest grain spawn – this will need to be kept refrigerated until you’re ready to make your kit - to give you the best chances of growing this will need to be kept refrigerated and used within 4 weeks.    

We guarantee to get you growing your 1st flush, you can follow the instructions to try for a second or third flush. You can grow up to 150g of fresh Grey Oyster Mushrooms over 2 harvests.

See instructions HERE

Important Information

Use by date: The spawn within your kit must be used within 4 weeks from receipt. 

Storage: Please keep your spawn refrigerated till ready to use.

During the inoculation period of 21 days store in a dark cupboard at around 17oC.  While growing keep in a bright spot but out of direct sunlight and remember to water daily –

PLEASE FOLLOW THE INSTRUCTIONS PROVIDED. Inside your kit: 100g of fresh spawn on grain, plastic grow bag, full set of growing instruction and growing guidance, sticker, postage box and branded sleeve.  

Coffee not included.

Postage & Delivery Policy

  • All prices include delivery - excluding Highlands, Islands and Northern Island where a £3 delivery charge applies.

  • We ship orders using YODEL 48-hour tracked service. On the date of collection, you will receive an email from us confirming dispatch, followed by an email from YODEL with your tracking number.

  • If you have specific delivery preferences, such as requiring the courier to ring the doorbell or leaving your parcel in a safe place,we strongly advise that you update your delivery preferences directly with YODEL via their tracking portal to ensure they follow your instructions.

  • Important Notes:

    • While we can pass delivery preferences to the courier, we cannot guarantee their compliance.

    • Once an item is marked as delivered, we cannot be held liable for loss or theft if the parcel is left unattended.

Alternative Shipping:
Occasionally, we may use Royal Mail 48-hour tracked service. In these cases, you will receive an email from us with shipping confirmation and tracking details.

Delivery Times:

  • Please allow 3–5 working days for delivery once you have received your dispatch email.

  • If your items have not arrived within 7–10 days, please contact us immediately.

  • Important: We are unable to track or ensure safe delivery of items after 21 days from the dispatch date. If the courier marks an item as delivered, we cannot be held responsible for loss or theft.

  • PLEASE ENSURE TO READ OUR DELIVERY POLICYAdditional information

Recycling your kit: All paper and card can be recycled with your standard card recycling.  The plastic bag can be cleaned and recycled with your soft plastic recycling.  Your coffee grounds and used substate block can be composted or disposed of along with your normal food waste. Approx. weight: 200g Approx. Dimensions: 24x17x4cm

2025 Workshops:
Dates:

Grow your own Grey Oyster mushrooms on your own coffee grounds. Our kits give you all you need to grow and harvest your own crop of Grey Oyster Mushrooms on freshly brewed coffee grounds.

Oyster mushrooms thrive on coffee grounds and this kit is a wonderful project for anyone wanting to learn more about growing mushrooms.  Our Coffee Grow Kit comes with everything you need to get growing; you just need to collect the coffee.  

Description

At Caley Brothers HQ, we grow Oyster Mushrooms on used coffee grounds on a commercial scale, and it’s an amazing journey to be on, saving waste from landfill to grow food.  So here we have created a small-scale kit to give you a taste of growing mushrooms from scratch.

As part of your Coffee Grow Kit, we send out the freshest grain spawn – this will need to be kept refrigerated until you’re ready to make your kit - to give you the best chances of growing this will need to be kept refrigerated and used within 4 weeks.    

We guarantee to get you growing your 1st flush, you can follow the instructions to try for a second or third flush. You can grow up to 150g of fresh Grey Oyster Mushrooms over 2 harvests.

See instructions HERE

Important Information

Use by date: The spawn within your kit must be used within 4 weeks from receipt. 

Storage: Please keep your spawn refrigerated till ready to use.

During the inoculation period of 21 days store in a dark cupboard at around 17oC.  While growing keep in a bright spot but out of direct sunlight and remember to water daily –

PLEASE FOLLOW THE INSTRUCTIONS PROVIDED. Inside your kit: 100g of fresh spawn on grain, plastic grow bag, full set of growing instruction and growing guidance, sticker, postage box and branded sleeve.  

Coffee not included.

Postage & Delivery Policy

  • All prices include delivery - excluding Highlands, Islands and Northern Island where a £3 delivery charge applies.

  • We ship orders using YODEL 48-hour tracked service. On the date of collection, you will receive an email from us confirming dispatch, followed by an email from YODEL with your tracking number.

  • If you have specific delivery preferences, such as requiring the courier to ring the doorbell or leaving your parcel in a safe place,we strongly advise that you update your delivery preferences directly with YODEL via their tracking portal to ensure they follow your instructions.

  • Important Notes:

    • While we can pass delivery preferences to the courier, we cannot guarantee their compliance.

    • Once an item is marked as delivered, we cannot be held liable for loss or theft if the parcel is left unattended.

Alternative Shipping:
Occasionally, we may use Royal Mail 48-hour tracked service. In these cases, you will receive an email from us with shipping confirmation and tracking details.

Delivery Times:

  • Please allow 3–5 working days for delivery once you have received your dispatch email.

  • If your items have not arrived within 7–10 days, please contact us immediately.

  • Important: We are unable to track or ensure safe delivery of items after 21 days from the dispatch date. If the courier marks an item as delivered, we cannot be held responsible for loss or theft.

  • PLEASE ENSURE TO READ OUR DELIVERY POLICYAdditional information

Recycling your kit: All paper and card can be recycled with your standard card recycling.  The plastic bag can be cleaned and recycled with your soft plastic recycling.  Your coffee grounds and used substate block can be composted or disposed of along with your normal food waste. Approx. weight: 200g Approx. Dimensions: 24x17x4cm

KIND WORDS

 

Grow your own mushroom kit instructions

Our passion is helping people on their mushroom growing journey. To ensure you make the most out of our mushroom kits, read this article for a full breakdown on how to grow your own mushrooms.

Read more

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