A field experiment was conducted to study the morphological and biochemical characters of African marigold as influenced by different varieties under West Bengal conditions. With five different varieties namely, Pusa Narangi Gainda, Seracole, Inca Orange, Sun Set Orange and Cracker Jack were taken as experimental material. The results revealed that, the earliest days to first flower was recorded in Inca orange (51.25), maximum number of flowers plant-1 in Seracole (67.3) yield of flowers plant-1 in Seracole (449.77g), fresh weight of flower-1 in Inca orange (7.80g), weight of petals plant-1 in Seracole (366.90g), Diameter of fully opened flower in Inca orange (9.23cm). Whereas, biochemical character of African marigold to quantify the active biological compounds in (Tagetes erecta L.) flowers of different varieties. Biochemical characters analyzed were total carotenoids, total phenols, total flavonoid and antioxidant activity. The different varieties of marigold also showed marked variations in total carotenoids, total phenols, total flavonoid and antioxidant activity. In Pusa Narangi Gainda was maximum antioxidant activity recorded and minimum was achieved in Cracker Jack.

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