High-quality, natural rooting and growing media for professional horticulture
The Van der Knaap Group is a Dutch family company with production facilities all over the world.
We develop sustainable, high-quality products and services in partnership with our customers.
Van der Knaap guarantees the quality of its products by keeping production, processing and quality control under its own management.
We continuously optimise our existing products and develop new products.
We use environmentally friendly raw materials and contribute to the society in which we operate.
Weed control in pot and container cultivation is a challenge for many growers. Due to the limited...Continue reading
The first educational project in the All Climate Greenhouse in the World Horti Center has been successfully...Continue reading
In recent months, Holland Potgrond Poeldijk has been working tirelessly on the installation of a new...Continue reading