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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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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The Power of Companion Planting

The Power of Companion Planting

Discover Companion Planting: an age-old secret to boost plant health! Learn how pairing plant species can control pests and create a thriving garden. Read all about it in our blog!

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How to get rid of Mealybugs

How to get rid of Mealybugs

Those fuzzy cottony clusters on the leaves and stems of your plants - Mealybugs. Discover proven strategies to combat mealybugs, one of the most common pests affecting houseplants.

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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