77-84 Days to maturity. Tagetes erecta. Antigua Series African Marigold Seeds. Non-GMO, annual, hybrid. Antigua Series African marigold seeds grow some of the most recognizable summertime blooms, both indoors and out! Marigold seeds are an outdoor favorite for growing dazzling color through the season, or for drying and complimenting fresh-cut bouquets and arrangements. Antigua Series seeds promise brilliant 3-inch fully double classic marigold blooms. Antigua Series marigold grows easily from seed and is known to thrive in challenging gardens prone to heat and drought throughout the southwest.