Stone and the cultivation of plants go perfectly hand in hand. Transforming and utilising an abundant natural resource to benefit humanity is something we find rather magical and exciting. With Grodan stone wool growing media growers cultivate fresh produce that contribute to the health of consumers around the world. What is it that makes stone wool so special?

Seven Strengths/7 of Stone, Logo, Campaign, 7SS

In our brochure ‘7 strengths of stone wool growing media’ we explain why stone wool is perfectly suited for growing healthy and fresh food efficiently and sustainably. And with that the growing media to feed a growing population. Each strength is explained and enriched with links to other publications. In that way you can read much more on topics related to this story.

In this journey we take you by the hand and enlighten you on 7 strengths of stone wool growing. Which are these?

  • A uniform growing medium – thanks to a perfectly controlled manufacturing process. This makes the quality and properties of Grodan stone wool and this leads to precise plant behaviour thanks to an excellent root zone management
  • Water saving properties – we are all aware that water is a precious source. Stone wool is an inert medium and the water including nutrient solution that it holds is in its entirety available to the plants.
  • Respect for biodiversity – At a time when biodiversity is under threat, we are proud to be contributing to the safeguarding of our ecosystems
  • A bountiful natural resource – Every year the earth produces 38,000 times more basalt than ROCKWOOL uses to produce stone
  • Transparency and proximity – Grodan factories operate in accordance with the highly stringent European regulations for working conditions and product quality
  • 100% recyclable - one of the reasons our growing media are awarded the EU Ecolabel is because it is recyclable
  • Food safety compliant – food safety has never been this crucial in today’s world. Renowned institutes ensure that our products do not pose any threats to either humans

We believe we inspired you to read further and to discover much more on the seven strengths of our stone wool growing media. In case you have any questions, do not hesitate to contact us.

By significantly increasing yields per square meter, crops grown on stone wool growing media are a means of supporting the planet’s growing demand for food by using a smaller
surface area.

Our Blogs

Read our blogs


We can't find any results that match your search

e-Gro Campaign Summer 2020

Leverage todays newest greenhouse technology

In the greenhouse, the decisions you make today have a major impact on your results tomorrow. Smart innovations like cloud solutions and Internet of Things applications are connecting the greenhouse, while Artificial Intelligence learning and Big Data are allowing growers to level-up their cultivation.

Read more
Plantui Photo 5
By Lynn Radford|e-Gro|Water Management|Sustainable Growing

Grodan plugs are a key factor in the success of smart indoor gardens

Finland-based Plantui produces smart indoor gardens for sale to consumers. The company has doubled its sales volumes over the past year, driven by a number of macrotrends including sustainability, food safety, local sourcing, healthy eating and home cooking. Besides the innovative LED technology and closed-loop irrigation system, the Grodan plugs in which the edible plants are grown are a key factor in the success of these miniature ‘vertical farms’ for in the home.

Read more
blog, greenhouse, green knowledge, development, horticulture, russia
|Sustainable Growing

Contributing to the Russian greenhouse sector’s development with green knowledge

Grodan has operated in the Russian market for more than 20 years. It’s a challenging market where growers have to deal with a changing climate and decreasing natural resources, while consumers increasingly demand fresh products. How can an international organization like Grodan stay in close contact with growers and thrive in such a country of extremes? And what can we do to help growers shift towards a circular economy? We posed these questions to Aleksey Kurenin, Business Manager RSM (Russian Speaking Markets) at Grodan.

Read more
Tico VF2
By Lynn Radford|Water Management|Sustainable Growing

The benefits of stone wool growing media in vertical farming

Vertical farming is on the rise around the world, not least because it supports a number of major societal trends such as local sourcing and sustainability. In this article, Tico van Leeuwen explains why the right growing medium plays an important part in creating the optimal conditions for a strong and healthy crop, and why stone wool is such a good choice for vertical farmers.

Read more
vertical farming, botany, learning, grodan
|Water Management

Innovation in the greenhouse: how co-creation leads to sustainable, lit cucumber cultivation

In october last year, right before the dark winter months, ten parties from the greenhouse horticulture sector started growing cucumbers at the Botany research center in the Netherlands, as we learned during the first episode of this cucumber trial. These parties came together to investigate how cucumbers can be cultivated in a sustainable and efficient way during winter, with the help of extra (LED) lighting.

Read more
grodan, illustration, greenhouse, social media
By Stefanie Wienhoven|Water Management|Sustainable Growing

Floaters with the right growing media is key for the lettuce industry

As one of the defining systems builders in the horticulture industry based in Horst (the Netherlands) founder and CEO of Light4food Rene van Haeff was convinced that the horizontal and vertical controlled growing systems in combination with light were to be the future solution for growing crops sustainably. Light4Food is a turnkey system builder for a wide variety of crops grown in both greenhouses and vertical farms.

Read more
Load more