The main phenological stages (budburst, flowering, veraison, and ripeness) of 53 Spanish minority varieties were studied to determine their potential help winegrowers adapt climate change conditions. In total, 43 in the same location Spain (Alcalá de Henares, Madrid region) 10 5 other regions (Galicia, Navarre, Catalonia, Extremadura, Andalusia). Other traits agronomic oenological interest, suc...