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

    ✨ 1996-2023 - 27 YEARS OF HESI ✨

  • New product coming soon!

    Available in selected countries from 01-02-2023

  • BIO HESI GROW & BIO HESI BLOOM

    NOW AVAILABLE



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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Amino acids & enzymes in plants

Amino acids & enzymes in plants

By pampering our plants and adding the right vitamins and amino acids to them, we are able to support the plants in the difficult task imposed on them: to grow as much as possible. We are creating not just strong plants, but you can see them as body builders. As already described in our article on vitamins, we are not talking about pills and drinks for humans as plants canno...

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Tips for successful hydroponic growing

Tips for successful hydroponic growing

Hydroponic systems can be complex and consist of many working parts, which can make growing and maintenance seem like a difficult task. We have therefore put together some tips to make your hydroponic growing into a success! 

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Houseplants for beginners

Houseplants for beginners

We have all been there. You go to the store, pick a beautiful houseplant that you think is going to be perfect for your home and then it turns brown and dies within days. Getting started with houseplants can be intimidating–especially if you're new to gardening or don't have much experience caring for plants. Have no fear! We've collected some of our favourite low-maintenan...

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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! 

Blog



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