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Press Release
03 Mar 2026
Grodan publishes new recommendations for reducing the risk of pepper wilting
To help find a solution to the pepper wilting issue causing concern among high-tech growers in various parts of the world, Grodan has initiated and participated in extensive international research. The aim is to better understand the complex interaction between pathogen presence, plant stress and hygiene practices.
Grodan
General
26 Jan 2026
Leadership update at Grodan
After more than 42 years within ROCKWOOL – including 30 years at Grodan and the last 14 years as Managing Director – Hub Janssen will step down from his role as Managing Director, effective 31 January 2026. We thank Hub for his leadership and the many contributions he has made to Grodan’s growth and success.
Grodan
Press Release
01 Oct 2025
Grodan and Limgroup reach major milestone in strawberry production
Horst, the Netherlands, October 6, 2025 – Grodan, Limgroup, and Delphy Innovative Soft Fruit Center (ISFC) proudly announce a record-breaking harvest of greater than 20 kilograms strawberries per m², using innovative F1 hybrid seeds cultivated on Grodan stone wool solutions.
Grodan
Press Release
25 Sep 2025
Grodan and Signify start third year of low-energy trial to test holistic approach on larger tomatoes on the vine
In its second year, a trial from Grodan and Signify demonstrated it's possible to produce high-quality cherry tomatoes with significantly less heat input than previously thought, without compromising on quality and taste. Building on these results and a commitment to low energy growing, the partners are extending this year the trial at Botany to larger tomatoes on the vine.
Grodan
Press Release
19 Sep 2025
Grodan puts vermiculite-free growing within reach for tomatoes, peppers and cucumbers
Grodan, a leading specialist in stone wool growing media, has developed a patented vermiculite-free solution for high-tech propagation of tomatoes, peppers and cucumbers. The new plugs and blocks improve the sowing process while maintaining optimal germination rates and top-performing plant quality in both the propagation and cultivation phase.
Grodan
Press Release
23 Jul 2025
Grodan and Hoogendoorn announce partnership to integrate GroSens rootzone data into IIVO climate computer
Grodan, a global leader in innovative stone wool substrate solutions for professional horticulture and Hoogendoorn Growth Management, a global leader and innovator in horticultural automation, have joined forces to integrate rootzone data from Grodan’s GroSens sensors directly into the IIVO climate computer. This integration provides growers with direct access to accurate, reliable rootzone sensor data - enabling smarter, faster, and more precise irrigation decisions.
Grodan
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