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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.Â
HESI for every season! A Year-Round Plant Care Guide
Keep your plants thriving all year with Hesi! 🌿 This seasonal guide helps you adapt to changing conditions with expert tips and the best nutrients for every stage. From spring growth to winter rest, give your plants the care they deserve.
Easy DIY: Create your own amazing scented potpourri
Today, we’re diving into a project that’s as fun as it is aromatic: making your own natural potpourri. Not only will your home smell amazing, but you’ll also be crafting something eco-friendly and chemical-free. Let’s get started!
Unravelling the Genetics of Flower Color
Flower colours captivate our senses, offering vibrant displays that are far from random. The shades we see in blossoms—pinks, yellows, reds, and blues—are the result of complex genetics and molecular chemistry. Flower colour is primarily determined by pigment molecules in cells, and it’s the genetic blueprint of each plant that dictates where, how much, and what type of pigm...
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!Â
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.Â
