Klasmann-Deilmann's Sphaxx receives RHP certification, a first for sphagnum 

RHP and Klasmann-Deilmann's Sphaxx has been awarded the RHP horticultural certification. This is the first time this demanding recognition has been earned by a sphagnum. 

The company first had to work out the requirements for sphagnum and have them approved by the Technical Committee before the necessary tests and checks could be carried out on the product. The results confirmed that Klasmann-Deilmann's Sphaxx, an innovative substrate component cultivated as a renewable growing medium under protected conditions, meets the requirements of the RHP quality mark product certification system. 

RHP-certified sphagnum from protected cultivation meets strict criteria across the entire production process and product quality. These include specific chemical, physical, and phytosanitary properties. The controlled production process ensures a safe product with consistent and uniform quality. 

A quality mark for Sphaxx and safety in horticulture 

At the IPM, RHP Operational Director Marco Zevenhoven presented the certificate to Bernd Dreyer, Product Manager for Sphaxx.

“We are proud of the RHP quality mark for our sphagnum,” said Dreyer. “Sphaxx comes from protected cultivation under glass, ensuring reliable availability and purity, which is of utmost importance for all growing media."

The executive added that Sphaxx combines "the best properties of peat with the advantage of being a renewable raw material," making it particularly interesting for horticultural applications prioritizing quality. 

“RHP advocates that growing media and raw materials meet the highest quality standards," said Zevenhoven. "This is the only way to ensure that international horticulture can continue to rely on highly functional and safe substrates with strong cultivation results in the future." 

Moritz Böcking, Managing Director of the Klasmann-Deilmann Group, explained that Klasmann-Deilmann is undergoing a transformation, in which the increasing use of renewable raw materials is making the company's substrates more sustainable.

"Sphaxx is the best example of this," he added. "This would not be possible without strong partners. We are therefore grateful to RHP for actively supporting this process of change and measuring our innovations against its high standards. For our customers in horticulture, this is a guarantee of maximum safety.”

*All images courtesy of Klasmann-Deilmann Group

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