Years of research
Successful cultivation depends on good germination. Grodan has developed a high quality stone wool plug that no longer requires the addition of vermiculite.
Grodan actually developed the vermiculite-free Funnel Plug a number of years ago, following an intensive research and development program. The increasing demand for clean sowing lines combined with the decreasing availability of vermiculite has now led to the official launch of the new plug.
The same high-standard performance
Grodan strives for continuous development of its products and an important part of this process is testing. Joost Haenen, Business Support for Propagation at Grodan explains:
“A large number of Dutch propagators have already tested the new Funnel Plug in their own greenhouses. The results show that the vermiculite-free Funnel Plug achieves the same high-standard performance level as stone wool plugs that require an additional layer of vermiculite to aid germination.”