G&M manages approximately 40 hectares of tree nursery. Avenue and ornamental trees are grown in the nursery. The main sizes are 6/8, 8/10, 10/12, 12/14, 14/16. Three times transplanted in size 12/14, 14/16, 16/18, 18/20. Our assortment consists of approx. 225 species. Every year we expand our assortment. A great deal of attention is paid to quality (disease-free, pruning, straightness and shape). For a detailed overview of our assortment, please refer to our assortment overview.