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Quinoa (Chenopodium quinoa Willd.) is an annual plant belonging to subfamily Chenopodiaceae containing such granite importance, being considered a pseudocereal. For the quinoa to gain widespread attention, to the point of achieving large scale cultivation in Brazil it is necessary for the studies to advance specially in regards to quality of produced seeds. The main aim of this work was to evaluate potential of quinoa seed’s production cultivated in different seasons, as well as quality of seeds produced on primary and secondary stalks of quinoa plants from BRS Piabiru, produced in the South of Rio Grande do Sul (RS), Brazil. The evaluated seeding seasons were October, November and December, June, July and August of the years 2015/2016, after the plants were taken to evaluation regarding agronomical characters (fresh mass of ramification glomeruli, main glomeruli, fresh mass of stem from the main, fresh mass of stem ramification, fresh mass of leaves, dry mass of stem ramification, stem from the main, glomeruli from the main, stem ramification, of leaves, diameter of stem and panicle lenght) and quality of seeds (germination, test of cold, accelerated aging, and seed’s emergency). Quality of the seed is assured when it’s produced after months of July, August and November, given that quality of seeds from main stem is superior.