Klarenanstelerweg 11 | 6468 EP Kerkrade | The Netherlands | +31 45 569 0420
  • Welcome to Hesi

    ✨ 1996-2023 - 27 YEARS OF HESI ✨




Everything that your plant needs

Our fertilisers are crafted and produced in house, based on years of knowledge about the needs of plants. Hesi's vision is to provide you as the grower with a fertiliser of high quality that is easy to understand and use. Our products are designed for Soil, Hydro & Coco specifically. 

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Spring Into Action: Prepping your Plants for a Season of Growth

Spring Into Action: Prepping your Plants for a Season o...

Spring is just around the corner, and it's the perfect time to get your green friends ready for a season of vibrant growth and blooming beauty. Whether you're a seasoned gardener or just starting to dip your toes into the soil, these tips will help you and your plants spring into action. So, grab your gardening gloves, and let's get started!

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How to create a wildlife winterproof garden

How to create a wildlife winterproof garden

There is a lot you can do in the winter like planting frost-resistant plants and giving wildlife an opportunity to survive the winter. In this blog we highlight some of the options you have to make your garden a winter wonderland that is alive and kicking!

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Darwin's Legacy: Auxins & Modern Horticulture

Darwin's Legacy: Auxins & Modern Horticulture

In the 1880s, Darwin and his son Francis embarked on a series of experiments that unveiled the existence of plant hormones. We will discuss the importance of these findings because modern horticulture practices that are being used today are using the techniques discovered by Darwin almost 150 years ago!

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News, Cultivation Tips & More

Read the latest news, blogs and articles to learn more about cultivation, plants & our products. We love to share our years of knowledge with you! 

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Who is Hesi?

Hesi stands for HEnk and SIglinde - the founders of Hesi. Their love for plants united and the Hesi products were born in 1996. Since then, Hesi has grown from the garage to the current production halls in Kerkrade, the Netherlands, where all products are produced in-house and shipped all over the world. 

About Hesi