Tref’s Research and Development department is constantly developing innovative new potting soils and substrates to guarantee a healthier growth of plant material.

Tref’s database consists of over 1000 specific formulations and Tref’s specialists have the knowledge to offer personal horticultural advice to customers on-site.
 
This speciality service can assure healthy growing crops regardless of variety; be it potted plants, perennials, vegetables, herb, shrubs, conifers or ericaceous.