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Mix the contents of the spawnbag with fresh coffee grounds. Close the kit.


When the coffee is covered in white, add new coffee. Repeat until the Growkit is full.


When the mushrooms push through the tape, mist them frequently for 4-7 days. Harvest by turning the whole cluster.

Repurposed Containers

Our Growkits are made of repurposed dairy containers from Arkea and HYY restaurants.

Made in Finland

All our products are made in Finland.


You can restart your Growkit many times.

GROWKIT S  € 19,- 

Buy now

GROWKIT XL  € 24,50

Buy now

STARTER KIT  € 12,50 

Buy now

Hyper-local food!

Helsieni grows oyster mushrooms in two shipping containers in Hernesaari. We collect the coffee grounds from nearby café’s and deliver most of our  mushrooms by cargo bicycle. This is how we can bring local and fresh food to citizens and restaurants of Helsinki.

Delicious Mushrooms

Oyster Mushrooms (Pleurotus Ostreatus) have a soft and sweet taste and a firm texture. They are naturally high in anti-oxidants, contain lots of minerals and vitamins and contribute to a healthy diet. Explore our recipes and start cooking!


Helsieni Shop