Heñói was born in 2010 as a collective in defense of native and traditional seeds. Years before the NGO was created, the collective began developing training workshops and advocacy activities, and organizing regional and national seed fairs.
2017 Fair. With support of Greengrant Found.
2018 Fair. With support of Casa Gagga.
2019 Fairs. With support of Casa Gagga, in Encarnación, Caaguazu, and Asunción.
2020 Tour. With support of PPM. Formal creation of the Seed Network.
2021 Fairs. In Asuncion and Encarnación, with support of Green Livelyhood Alliance GLA2, and PPM.