CGN’s spinach collection currently (July 2015) includes 467 accessions, representing one of the largest genetic resources collections of spinach in the world. The largest part of the collection consists of accessions of cultivated spinach (Spinacia oleracea). Recently, the collection was extended with accessions of S. turkestanica, while the introduction of S. tetrandra specimens is in progress. The collection has been widely used to find useful traits for cultivar improvement, in particular regarding novel resistances against spinach downy mildew. More information about various aspects of the collection can be accessed below.