Custom mixes

Technical growing media > Custom mixes

Ask for a customised mix of topsoil, substrate growing media and potting soil to meet your needs


As a true partner to professionals, Terreau Flore Bleue enables you to procure a customised growing medium or substrate according to the use for which it is intended. As such, we can adapt the soil, potting compost and substrate to any particular technical, landscaping and climatic constraints. We offer you the formulation and production of your growing media that is adapted to your specific needs. To do this, it is essential to have a thorough knowledge of the different components of substrates and their physical and chemical characteristics, in addition to the functions and uses you foresee for your crop. To help you in your procurement process, our teams are at your disposal to advise you and offer guidance for your project.

Formulate your growing medium

A growing medium tailored to the needs of professionals


Our production and logistical operation enables us to produce customised mixes adapted to the needs of professionals. Water retention capacity, indoor or outdoor planting, strong rooting, organic farming, roof greening... There are many specific needs we can take into account.

For each of our products, it is possible to incorporate organic fertilisers and/or other materials, such as topsoil, pozzolan, wetting agents, hydro-retainers, slow release fertilisers and so on...

For this purpose we offer:

  • NF U 44-551 standard potting soils and growing media substrates suitable for all types of planting (heathland, potting soils for seedlings),
  • Complementary adaptations to improve soil structure,
  • Organic or mineralised mulch which maintains a beautiful aesthetic.

Expert advice on developing the right soil for you


Terreau Flore Bleue provides its customers with constant advice so that, with them, specific mixes can be developed which will meet any technical, landscaping and agronomic constraints in relation to the mixtures to be used. This made-to-measure option is repeatable from one delivery to the next and from one order to the next with the same formulation. This is thanks to the internal quality and traceability system for the mixes we have developed to comply with professional specifications. This constitutes a considerable asset for the customer/supplier relationship and a guarantee of security for the customer.

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