Farewell, Henk IJpelaar

Stephen Andrews
22 Jul 2026

Today, with deep sorrow, we say goodbye to a beloved and indispensable figure who left an indelible mark on our community. Henk IJpelaar, co-founder and sales director of the renowned fertilizer company HESI, has passed away, leaving a profound void in the cultivation industry and in the hearts of everyone fortunate enough to have shared a journey with him.


A Story of Passion, Science, and Love for Plants

Henk’s journey in plant nutrition began three decades ago alongside his partner, Siglinde. Combining Siglinde’s scientific background and laboratory expertise with Henk’s vision, dedication, and entrepreneurial spirit, the pair launched a project born from a genuine desire to help growers achieve the best possible results. 

From the fusion of their names—HEnk and SIglinde—HESI was born, evolving over the years into an international benchmark for quality, innovation, and accessibility in the fertilizer and additive market. 

A Legacy of Professionalism and Humanity

Behind every successful venture are the people who build it, and Henk embodied the very best of this industry: professionalism, vision, and a genuine warmth that transformed every trade show, project, or casual chat into a memorable encounter.

From distributors and industry colleagues to growers worldwide, the international community—including team members at Hortitec and other leading companies—has expressed deep condolences to his family, friends, and colleagues at HESI during this difficult time.

The HESI team will honor his memory by upholding the commitment to quality, integrity, and dedication Henk championed from day one.

Here at Soft Secrets, we join his loved ones in mourning and pay tribute to a true pioneer. Thank you, Henk, for your decades of devotion and for every moment we shared.

Rest in peace.

S
Stephen Andrews