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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Fertiliser and Pets: yay or nay?

Fertiliser and Pets: yay or nay?

If you have a dog or cat as a pet, you need to be cautious with fertilisers. Read about which plants are dangerous for dogs and cats and what general precautions to take when using fertilisers.

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A Comprehensive Guide to Hesi Grow Schedule for Healthy Plants

A Comprehensive Guide to Hesi Grow Schedule for Healthy...

Who doesn't dream of lush blooms and robust plants? To make this dream a reality, plants need more than just adequate light and water; they also require nutrients. This is where Hesi products come into play! Read here all the details about our products and the growschedules. 

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How to grow tomatoes on a balcony

How to grow tomatoes on a balcony

If you have a balcony and a minimum of sunshine, you can do it without any problems. Follow our tips, take the chance with an urban micro-garden and grow your own tomatoes on your balcony. The first step is to find out whether your balcony has the minimum conditions necessary to grow tomatoes successfully. The main thing is that the plant receives enough direct sunlight (a...

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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