HESI

## Brand overview Hesi is a manufacturer of plant nutrition products used in indoor growing and hydroponic cultivation. The company develops fertilisers, boosters and additives designed to support plant growth across different cultivation methods including soil, coco coir and hydroponic systems. The brand operates as Hesi Plantenvoeding B.V. and produces its products in its own facilities in Kerkrade in the Netherlands. Production, mixing, packaging and preparation for distribution are handled in-house by the Hesi team. Hesi distributes its products through a network of wholesalers and retailers, making them available to growers in more than 40 countries. ## Nutrients for multiple growing methods Hesi’s product range focuses on plant nutrition systems designed for different substrates used in indoor cultivation. The lineup includes fertilisers, plant boosters and additive products that support plants during different stages of development. Key fertiliser lines are formulated for specific growing media and growth phases, including: - Soil cultivation fertilisers such as TNT Complex and Bloom Complex - Hydroponic nutrients like Hydro Growth and Hydro Bloom - Coco-specific nutrients designed for coco-based substrates These products supply the macro and micronutrients plants require during vegetative growth and flowering stages. In addition to base nutrients, Hesi produces a range of boosters and additives that complement feeding programs. Examples include products designed to support root development, improve substrate quality, or help trigger flowering. Starter packs are also available, combining several Hesi products into feeding systems tailored for soil, hydro or coco cultivation. ## Additives, boosters and bio products Alongside its core nutrient lines, Hesi offers plant boosters and supplements that target specific aspects of plant development. Products such as root stimulants, enzyme additives and bloom enhancers are designed to support plant vitality and substrate health throughout the cultivation cycle. The brand also produces the Bio Hesi line, which uses natural ingredients derived from plant and fruit extracts and is suitable for organic cultivation. These products are formulated to meet organic farming requirements and are made with vegan raw materials. Hesi continues to expand its range with new plant additives, such as silicon-based boosters that strengthen cell walls, improve resistance to stress and support nutrient uptake in plants. Through its range of fertilisers, boosters and cultivation packs, Hesi focuses on providing nutrient solutions for growers working with soil, coco and hydroponic indoor growing systems.