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Welcome to Hesi
We strive for Happy Plants & Happy Growers
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.
Different Types of Horticultural Lighting
We get a lot of questions about which lamps are the best. Then the question arises, should you use grow-lamps at all? Or is natural sun-light sufficient? This is a difficult question and really depends on many factors. In this article we want to share different typs of lamps in one overview so you can make a better decision on which ones to use for your grow.
The Wood Wide Underground Web
Ever wondered what happens UNDER the ground? In this article, we take you underground the forest's crazy connected web.
Vitamins in Plants
What are vitamins actually? What do they do? And why do plants need Vitamins? How can you recognize a vitamin deficiency in your plants?
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!
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.
